Forem: iRender GPU Render Farm

How to resolve Blender crashing issue during rendering?

iRender GPU Render Farm — Sat, 15 Nov 2025 07:43:21 +0000

If you are experiencing Blender crashing during rendering, especially while using iRender, don’t worry. Whether it’s a GPU memory error, a corrupted Blender file, or outdated drivers, there are several reasons Blender might crash. In this updated 2025 blog, we’ll walk you through the most common causes and how to resolve Blender crashing issue during rendering.

Describe some Blender crashing issues

Blender out of Memory Errors
Blender may crash when the system runs out of RAM or GPU memory, indicating that your graphics card has exceeded its available VRAM (Video RAM). This often occurs in scenes with high-resolution textures, simulations, or detailed models. or complex shader nodes.

Outdated Graphics Card or GPU Driver
Using outdated Graphics card or GPU drivers can lead to instability. Blender relies heavily on the GPU for rendering and viewport performance. Therefore, older GPUs that do not meet Blender’s requirements can lead to crashing issue.

Incompatible or Outdated Blender Add-ons
Blender often crashes when outdated software versions or incompatible add-ons are used. If Blender’s add-ons are not updated for the latest version, it also causes crashing error.

Corrupted Blender File or Assets
A Blender file may become corrupted due to issues like abrupt shutdowns, disk write errors, or software bugs. This can disrupt data integrity, leading to crashes when trying to open the file.

How to resolve Blender crashing issue during rendering?

Update NVIDIA Studio Driver
If you get a Blender crashing error when working on iRender server, you can update NVIDIA Studio Driver.

Please follow the following steps:

Step 1: Go to the X: Drive on the remote machine and open the folder: 11. NVIDIA RTX 4090 DRIVER > Studio

Step 2: Find the latest Studio Driver installer

Step 3: Copy it to the remote desktop and run it.

Step 4: After installation, restart the machine.

*Enable Hardware-Accelerated GPU Scheduling *
Crashes in Blender during rendering or viewport activity often start from GPU scheduling issues, especially on systems with high-performance NVIDIA GPUs (e.g., RTX 3090/4090). One highly effective solution is enabling Hardware-Accelerated GPU Scheduling.

Step 1: Open Windows Settings> Go to: System → Display

Step 2: Access Graphics Settings. Click on Graphics Settings under Multiple Displays

Step 3: Locate: Hardware-accelerated GPU scheduling then switch the toggle to ON

Step 4: Restart the server

Restart the machine
If you’re restarting after installing an NVIDIA Studio Driver or enabling Hardware-Accelerated GPU Scheduling, a full restart ensures all system-level changes are applied.

To restart the server, you can click Power icon and choose Restart.

You can wait 2–5 minutes before reconnecting. Then ensure drivers and GPU settings are loaded before launching resource-heavy software. You should check if Blender can open normally or not.

iRender - The best Render Farm providing RTX 4090 for Blender

iRender is proud to be one of the best GPU service providers on the market. We are releasing new servers for iRender’s users, which have powerful processing capabilities of AMD Ryzen Threadripper Pro 3955WX @ 3.90GHz- 4.2GHz and AMD Ryzen™ Threadripper™ PRO 5975WX @ 3.6 – 4.5GHz. Besides, they have multi-GPUs:1/ 2/ 4/ 6/ 8 RTX 4090 24GB VRAM to boost performance in the rendering process. Right now, we have pre-installed Blender 4.5.1 option when you create a machine, so you won’t take time to install software.

iRender offers a powerful and free file transfer tool: iRender drive for macOS and Linux user. You can transfer all the necessary data into our iRender drive tool at any time without connecting to the server. The data will be automatically synchronized in the Z drive inside the server, ready for you to use.

The tool is also integrated into iRender GPU app, an all in one application where you can free your workflow from accessing iRender website, and just have to work on the iRender GPU app.

In case you have any problems or questions, don’t hesitate to contact the 24/7 support team. We will be happy to help you with your questions and problems at all times.

We are running a SPECIAL OFFER: 100% Additional Bonus for new clients who register an account and make a top-up.

Take advantage of this limited-time offer to maximize your rendering power and boost your productivity. Don’t miss out—upgrade your projects with more value today!

Register an account today to experience our service or contact us via the email hanght@irender.vn or WhatsApp: (+84) 912075500 for advice and support.

Happy Rendering!

How to Fix X-Particles Missing in Cinema 4D Menu Bar?

iRender GPU Render Farm — Mon, 10 Nov 2025 03:48:59 +0000

X-Particles can sometimes disappear from the Cinema 4D menu bar after installation, a small but frustrating hiccup for any 3D artist. In this guide, we’ll walk you through the most reliable solutions to get X-Particles back in your menu bar quickly, so you can get back to creating impressive particle effects without missing a beat. Let’s explore it with iRender.

Why X-Particles May Not Show Up in Cinema 4D

There are several common reasons why X-Particles fails to appear:

Incorrect plugin folder location
Running an incompatible or outdated version of Cinema 4D
Conflicts with previous versions of the plugin.
Missing runtime libraries (Windows)
Licensing or INSYDIUM Fused installation errors.

How to Fix X-Particles Missing

1. Correct Installation Path
Cinema 4D only detects plugins if they’re in the right folder. The safest option is to install X-Particles in the user preferences plugins folder:

In C4D, go to Edit → Preferences
Click Open Preferences Folder
Open the plugins folder and place the X-Particles files inside

Alternatively, you can install X-Particles in the Cinema 4D application folder’s plugins directory. However, INSYDIUM recommends the user preferences folder for better compatibility.

2. Install Microsoft Visual C++ Libraries (Windows Only)
On Windows systems, missing Microsoft Visual C++ Redistributables can prevent X-Particles from loading properly.

Install the latest x86 and x64 versions from Microsoft’s official website.
Restart your PC, then relaunch Cinema 4D.

This ensures that all required components are available for the plugin to run.

3. Verify INSYDIUM Fused Installation
Since X-Particles is now bundled as part of INSYDIUM Fused, a broken or incomplete installation can cause it to disappear.

Make sure the full INSYDIUM Fused package is installed
Then double-check for missing or corrupted files
Confirm your license is active through the INSYDIUM License Manager ( insydium.ltd)

4. Refresh Cinema 4D Preferences
Sometimes the problem lies not with X-Particles, but with Cinema 4D’s own settings. If the preferences are corrupted, the menu may fail to update.

Close C4D
Locate and delete (or rename) your Cinema 4D preferences folder
Restart Cinema 4D to let it generate a fresh set of preferences As a result, this often resolves stubborn UI errors.

Conclusion

In most cases, getting X-Particles to show in Cinema 4D 2025 is a matter of using the correct installation path, clearing out old versions, and making sure your system is up to date. Once fixed, the plugin should reappear in your menu bar, ready for you to create dynamic particle simulations and motion graphics.

However, solving the menu issue is just the first step. Rendering complex X-Particles projects can still push even high-end workstations to the limit. That’s why many artists turn to iRender—a professional render farm optimized for Cinema 4D and X-Particles. With access to multi-GPU servers, you can simulate and render much faster, while keeping your local machine free for other tasks.

After fixing your setup, take your workflow to the next level with iRender: focus on creativity, and let powerful cloud GPUs handle the heavy lifting.

Render faster on Cinema 4D with iRender’s servers

iRender stands out as one of the most powerful and flexible rendering platforms available for Cinema 4D users. iRender gives you instant access to high-performance GPU servers—featuring top-tier hardware like the RTX 4090, RTX 3090, and even multi-GPU configurations. Most importantly, we always update to the latest GPU technology, with 1/2/4/6/8 x RTX3090/RTX4090, we also have all servers with Cinema4D preinstalled and give you 1 license for free to use.

Under the IaaS (Infrastructure as a Service) model, you will have full control over the machine via a remote desktop app, similar to TeamViewer but more stable. You will be able to proactively install the software and use it on the server just like using a personal computer. In addition, you can find many server packages with high-end configurations that are extremely suitable for complex projects.

We’ve put the RTX 4090 and RTX 3090 to the test across different GPU configurations (1/2/4/6/8 GPUs) and the results are mind-blowing. In this video, we compare performance across 1, 2, 4, 6, and 8 GPUs to see how Cinema 4D and Redshift perform with multiple GPUs. Let’s watch the results and find out which GPU configuration offers the best balance of speed and efficiency!

GPU Rendering with iRender

iRender offers high-performance cloud rendering powered by top-tier GPUs like the RTX 4090, 3090, and more. You get access to powerful, dedicated machines designed specifically for software like Cinema 4D, Blender, and Maya.

Why choose iRender?

Rent machines with multiple GPUs (up to 8x RTX 4090)
Flexible pricing based on your workflow
Instant scaling—great for deadline crunches
Perfect support for Redshift, Octane, Arnold, and more
Access from Windows or macOS

Instead of spending thousands on hardware upgrades, you can scale your power only when you need it.

We’re always happy to help you with any questions. If you have any problems or questions, don’t hesitate to contact our 24/7 support team. Or via Whatsapp: 0912 785 500 for free advice and support.

Right now, iRender has a SPECIAL PROMOTION program with a 100% bonus for the first transaction. And points never expire, so you can use them at any time.

Sign up for an account today to experience and enjoy our services.

Thank you & Happy Rendering!

Top 5 3D Software Work Best with Single GPU

iRender GPU Render Farm — Thu, 06 Nov 2025 02:48:47 +0000

When building a rendering workstation, many artists and designers assume that adding more GPUs will automatically multiply rendering performance. While this is true for many offline render engines like Redshift, Octane or Blender Cycles, not all 3D software can take advantage of multiple GPUs. In fact, some popular real-time rendering tools are still limited to a single GPU, which often surprises users who have invested heavily in multi-GPU setups.

In this article, we will look at several widely used 3D visualization tools that only render on one GPU, explore why a single GPU is enough or sometimes necessary for their workflows and find the suitable software for your projects.

Why Multi-GPU Rendering Matters?

For offline render engines such as V-Ray, Redshift, or Octane, multi-GPU rendering is a game changer. By distributing the rendering workload across several graphics cards, artists can significantly reduce render times, improve workflow efficiency and handle more complex scenes.

Faster rendering: Multiple GPUs can process frames or tiles in parallel, making high-quality output much quicker compared to a single GPU.
Bigger projects: Large architectural scenes, animations, or VFX shots often exceed the memory of one GPU. Multi-GPU setups combine resources, allowing artists to work with heavier files.
Efficient iteration: Faster feedback cycles mean designers can test different lighting setups, materials, or animations without waiting hours for results. This is why many professionals invest in workstations with two, four, or even eight GPUs. However, as we’ve seen, not every 3D software is built to take advantage of this power, especially real-time visualization tools, which typically stick to one GPU for stability and interactivity.

Top 5 3D Software Work Best With Single GPU

1. D5 Render

D5 Render is a fast-growing real-time tool focused on architectural visualization. It is powered by real-time ray tracing but currently relies on a single GPU to handle the rendering pipeline. The reason lies in its architecture: D5 Render is optimized for responsiveness and interactivity rather than distributed GPU scaling. Since the workflow emphasizes “what you see is what you get” previews, one powerful GPU can efficiently handle both the viewport and the final render.

2. Twinmotion

Developed by Epic Games and built on Unreal Engine, Twinmotion is designed for architects and designers who need quick visualizations without complex setup. Like D5, it is a real-time tool that favors speed and interactivity. Twinmotion is optimized to run smoothly on a single GPU to ensure stable performance, avoiding the complications of multi-GPU synchronization in real-time rendering environments.

3. Lumion

Lumion has long been a favorite in architectural visualization for its ease of use and massive asset library. Despite its strong GPU acceleration, Lumion does not scale across multiple GPUs. Its philosophy is straightforward: simplicity and instant results. By focusing on a single GPU pipeline, Lumion ensures that the rendering process is stable and predictable across different user hardware.

4. Unreal Engine (Real-Time Rendering)

Although Unreal Engine is incredibly powerful and used for everything from games to virtual production, its real-time rendering system is also GPU-bound to a single card in most workflows. Multi-GPU setups are mainly useful in highly specialized rendering clusters, not in everyday design visualization. For individual artists, Unreal prioritizes stability and real-time feedback over scaling across multiple GPUs.

5. Enscape

Enscape is another popular real-time visualization plugin for Revit, SketchUp, Rhino and ArchiCAD. Known for its one-click rendering and VR capabilities, it also runs on a single GPU. The reasoning is similar to the tools above: Enscape’s real-time feedback loop is designed for smooth interactivity, not offline distributed rendering. This makes one powerful GPU sufficient for most design workflows.

Why These Tools Stick to One GPU?

Real-time rendering focus: These tools prioritize smooth interactivity and instant feedback, where adding more GPUs could actually slow performance due to synchronization overhead.
Simplicity and stability: Limiting rendering to a single GPU reduces driver conflicts and scaling issues, ensuring the software runs reliably on most machines.
Target users: Aimed at architects and designers, these software values ease of use and quick setup over complex multi-GPU optimization.

Which 3D software should you choose?

After learning that some 3D tools only use a single GPU, the key question is: which one best fits your workflow? Each of the five software mentioned earlier serves a slightly different purpose. Based on that, you can choose the suitable software for your projects:

D5 Render: Ideal for architects and interior designers who need real-time visualization with straightforward controls
Twinmotion: A good fit for designers who want fast presentations and VR support, while still benefiting from Unreal Engine’s foundation
Lumion: Best for those who value ease of use and a vast asset library, especially for architectural walkthroughs
Unreal Engine: Suitable for users aiming at advanced, interactive experiences like VR, AR, or cinematic-quality visuals, even though it’s more complex to learn
Enscape: Perfect if you work mainly inside CAD/BIM tools (Revit, SketchUp, Rhino) and want a seamless, integrated plugin for real-time rendering

Conclusion

While real-time software like D5 Render, Twinmotion, Lumion, Unreal Engine and Enscape deliver impressive results, they all share a common limitation: they only utilize one GPU. This means that adding multiple graphics cards will not necessarily improve performance in these applications. For users, the most practical approach is to rely on the powerful single GPU available (like NVIDIA RTX 4090) to ensure smooth interactivity and stable performance across demanding design workflows.

iRender - Optimized Solution for Single-GPU Software

For real-time visualization tools like D5 Render, Twinmotion, Lumion, Unreal Engine and Enscape, performance depends entirely on the power of a single GPU. This makes having access to the latest and most powerful graphics card critical for smooth workflows and high-quality output.

At iRender, our Server 3S package provides exactly that: a single NVIDIA RTX 4090 with 24GB vRAM, perfectly suited for software that does not scale across multiple GPUs. With this setup, you can maximize rendering speed, ensure stable interactivity and handle large design projects without the limitations of your local machine. Simply connect to the remote server, install your preferred software, add your own license and work as if you were on your own workstation with faster and more reliable.

Why choose iRender?

When projects become bigger and deadlines become tighter, finding a suitable and optimized renderer is no longer optional, it’s crucial. iRender’s mission is to help you make all your ideas become final products in a faster, stronger and more efficient way.

Powerful performance: GPU RTX 4090 workstations, compatible with almost 3D/AI software. Moreover, iRender’s remote servers also provide CPU AMD Ryzen Threadripper Pro 3955WX @ 3.90GHz – 4.2GHz and AMD Ryzen™ Threadripper™ PRO 5975WX @ 3.6 – 4.5GHz, RAM 256GB and 2TB SSD NVMe Storage
Flexible usage: Use the remote server anytime you want
Secure & Privacy: Guarantee for your data safety and privacy
Fast support: A customer support team ready to assist 24/7
Cost-effective: Pay-as-you-go, pay for the time used

If you are still wondering, register now to get a free trial and receive a 100% iRender bonus points for your first transaction.

For more detailed information, please contact us via Live chat 24/7 or WhatsApp: +(84) 962 868 890 or Email: thuongnt@irender.vn.

iRender – Happy Rendering!

How Do You Optimize Arnold in Maya to Speed Up Rendering?

iRender GPU Render Farm — Fri, 31 Oct 2025 07:34:56 +0000

Rendering is one of the most resource-intensive parts of a 3D workflow, and it often determines how efficiently you can finish a project. For Maya artists, Arnold is the renderer of choice, offering physically accurate results, deep integration, and a straightforward workflow. However, without optimization, even powerful hardware can become bogged down by lengthy render times.

In this article, we’ll share practical, production-tested tips to help you optimize Arnold inside Maya, so you can render faster, work smarter, and focus more on the creative side of your projects. Let’s explore with iRender.

1. Optimize Your Geometry and Scene Setup

Start by adjusting your render settings in Arnold. Set the quality to a level that suits your needs without overdoing it. For instance, use lower AA (anti-aliasing) settings during previews and gradually increase them for final renders. Before touching render settings, start with your scene:

Clean Up Geometry: Use Mesh > Cleanup to remove unused vertices, n-gons, or non-manifold geometry. Heavy, unoptimized meshes increase render times unnecessarily.
Use Proxies or Stand-ins (ASS Files): Replace high-poly models with Arnold Stand-ins. They keep your viewport light and reduce memory usage during rendering.
Instances Over Duplicates: For repeating objects (such as trees, chairs, or props), use instances instead of duplicates. Arnold handles them much more efficiently.

2. Optimize Lighting and Sampling

Lighting is where Arnold shines, but sampling settings directly impact speed.

Start with Low Samples: In Render Settings, lower camera (AA) samples (e.g., 2–3) and test render. Only increase samples when necessary.
Use Adaptive Sampling: Enable adaptive sampling in Arnold. It focuses rendering power where it’s needed most, instead of wasting time on noise-free areas.
Limit Light Samples: Don’t crank up light samples unnecessarily. Instead, increase AA samples and keep individual light samples low (1–2).

3. Use GPU Rendering

Arnold now supports GPU rendering with NVIDIA RTX cards.

GPU Mode: Switch to GPU in Render Settings (System > Device).
While GPU rendering isn’t always feature-complete compared to CPU, it’s blazing fast for many scenes — especially lookdev, previews, and animations.
Make sure you have enough VRAM. If not, optimize textures and geometry further.

4. Hardware Considerations

Even with perfect optimization, hardware plays a role.

More Cores = Faster CPU Renders: Arnold CPU scales almost linearly with core count.
GPU with High VRAM: For Arnold GPU, 24GB+ VRAM is recommended for large scenes.
Fast Storage: SSD or NVMe drives reduce scene load times and texture streaming bottlenecks.

5. Keep Your Software and Drivers Up to Date

One of the easiest ways to optimize rendering in Maya with Arnold is to ensure that all your software and drivers are up to date. Each update often includes performance improvements, bug fixes, and new features that can help you render faster and more reliably.

Update Arnold Renderer:
Always install the latest Arnold updates. Autodesk frequently releases new versions that improve render speed, reduce memory usage, and enhance compatibility with Maya features. You can download updates from the Autodesk Arnold page.
Update Maya:
Keeping Maya up to date ensures you benefit from performance optimizations, better Arnold integration, and overall stability improvements. Check for the latest version in your Autodesk account or directly through Maya’s update manager.
Update NVIDIA Studio Drivers:

If you’re using GPU rendering, installing the latest NVIDIA Studio Drivers is crucial. Studio Drivers are optimized for creative software like Maya and Arnold GPU, providing faster rendering, improved stability, and better hardware utilization.

iRender - Elevate Your Arnold Renders with Smart Workflow and Scalable Rendering Power

iRender provides high-configuration servers that increase CPU and GPU rendering speeds. We offer the most powerful RTX 4090 configuration packages on the market, all equipped with AMD RyzenTM ThreadripperTM PRO 3955WX @ 3.9 – 4.2GHz and AMD Ryzen™ Threadripper™ PRO 5975WX @ 3.6 – 4.5GHz processors, 256GB RAM and 2TB NVMe SSD hard drive capacity. With a wide range of GPU servers (1/2/4/6/8x) – RTX 4090, you can choose the server that suits your needs to start the rendering process. You just need to transfer your files, connect to the remote machine, and install Maya, then add your software license and render yourself. Setting up ONCE will save your working environment and make it ready to use anytime.

In particular, if you use Maya with Redshift, you can connect to our remote server and use a free Redshift license. For Maya, install and use your license. Maya often uses third-party rendering engines such as Redshift, V-Ray, or the default Arnold renderer. If you use these render engines or not, you can still find a suitable rendering package at iRender. You can find a lot of server packages with extremely high-end configurations that are suitable for complex projects.

Below is information about iRender’s service packages. For Arnold Renderer in Maya, the server 3S is the most suitable with the Single Card 4090:

Not only powerful configurations, iRender also provides you with many more services. Free and convenient transfer tool iRender drive for macOS and Linux users. For Windows users, we recommend the iRender GPU application, you will not need to access our website anymore. The price at iRender is also very flexible with hourly rental (pay as you use), and daily/weekly/monthly rental with a 10-20% discount.

We’re always happy to help you with any questions. If you have any problems or questions, don’t hesitate to contact our 24/7 support team. Or via WhatsApp: 0912 785 500 for free advice and support.

Right now iRender has a SPECIAL PROMOTION program with a 100% bonus for the first transaction within 24 hours of your registration. It means that you can get an extra 100% of the money you recharged the first time. And points never expire, so you can use them at any time.

Sign up for an account today to experience and enjoy our services.

Thank you & Happy Rendering!

How Do You Fix the “Out of GPU Memory” Error in Blender?

iRender GPU Render Farm — Wed, 29 Oct 2025 03:05:01 +0000

Rendering complex scenes in Blender can be incredibly rewarding but it can also hit an unexpected roadblock: the dreaded “System is out of GPU memory” error. This message usually appears when your scene demands more VRAM than your graphics card can provide, commonly caused by high-resolution textures, dense geometry, heavy particle systems, or adaptive subdivisions. In this guide, we’ll break down several practical strategies to reduce GPU load, optimize your scene, and keep Blender running smoothly so that you can render without crashes or interruptions. Let’s explore in this blog with iRender.

1. Switch to Wireframe or Solid Viewport While Editing

The Rendered or Material Preview viewport modes consume a ton of memory, potentially causing crashes during editing. Subtle switch: use Wireframe or Solid mode—dramatically lighter on GPU load.

By doing so, you free up VRAM for Blender’s UI, helping maintain a smooth editing experience

To change the viewport shading, click the shading icons at the top-right corner of the 3D Viewport, as shown below:

2. Swap to CUDA (if You're Using OptiX)

While OptiX often delivers faster ray tracing on newer NVIDIA cards, it can occasionally inflate memory use or crash on older setups. In those cases, switch to CUDA to gain better stability and potentially lower VRAM usage.

On Blender: Edit → Preferences → System → Cycles Render Devices → Select CUDA, then save preferences

3. Disable Unused Particle Systems

Particle systems (like hair, sparks, smoke) can be resource hogs—especially with complex instanced geometry or volumetric effects.

If they’re irrelevant to the final render:

Open the Particles tab → set Number and Lifetime to zero, or disable via the Modifiers tab.
You can also hide the system from rendering using the camera icon in the Outliner

4. Reduce Texture Resolution

Large textures (4K+) can quickly overwhelm VRAM, especially when multiple are used.

For viewport previews, you can set a lower proxy size in Edit → Preferences → Viewport → Limit Size.
But for final rendering, you must manually downscale textures (e.g., to 2K, 1K, or even 512px), then reassign them. Use compressed formats like optimized PNGs or JPEGs to save memory without significant quality loss

5. Use the Latest Blender Version and Drivers

Always work with the latest stable release of Blender, as newer versions often include performance improvements, memory fixes, and crash-prevention features. Avoid using alpha or beta builds unless you’re specifically testing new features, as these versions are more prone to bugs and instability.

Along with Blender itself, keep your GPU drivers up to date. In 2025, driver-level optimizations from NVIDIA, AMD, and Apple can significantly impact how Blender performs under load. Many crashes, especially black screen Out of GPU Memory errors, are directly linked to outdated or buggy drivers. Check your manufacturer’s website regularly and update accordingly.

Conclusion

Facing the “Out of GPU Memory” error in Blender doesn’t have to stall your workflow. By optimizing your scene, managing textures, controlling subdivisions, and using efficient viewport settings, you can reduce VRAM strain and prevent crashes. However, for particularly large or complex projects, even the most optimized local setup may struggle.

This is where a render farm like iRender can make a difference. With powerful GPU nodes and scalable resources, iRender lets you offload heavy renders to the cloud, bypassing local GPU limitations entirely. You can focus on the creative side of your projects while iRender handles memory-intensive calculations, ensuring smooth, high-quality results without compromise.

If your Blender projects keep pushing your hardware to the limit, using a render farm like iRender is a smart, professional way to render faster and safer—no more “out of GPU memory” errors holding you back.

iRender – Maximize Your Blender Rendering Performance

iRender is proud to be one of the best GPU service providers on the market. We provide you with high-configuration models with advanced specifications such as AMD Ryzen™ Threadripper™ PRO 3955WX @ 3.9 – 4.2GHz or AMD Ryzen™ Threadripper™ PRO 5975WX @ 3.6 – 4, 5GHz, 256GB RAM, 2TB NVMe SSD storage.

Under the IaaS (Infrastructure as a Service) model you will have full control over the machine via a remote desktop app, similar to Teamviewer but more stable. You will be able to proactively install the software and use it on the server just like using a personal computer. You can find many server packages with high-end configurations that are extremely suitable for complex projects. Our machines have preinstalled Blender, you can choose to create the machine at first then connect and render yourself.

Right now iRender has a SPECIAL PROMOTION program with a 100% bonus for the first transaction within 24 hours of your registration. It means you can get 100% of the money you recharged the first time. And points never expire so you can use them at any time.

Sign up for an account today to experience and enjoy our services.

Thank you & Happy Rendering!

How to fix Cinema 4D render slow on multi-card servers?

iRender GPU Render Farm — Tue, 28 Oct 2025 03:05:54 +0000

Since Cinema 4D supports multi-GPU rendering, many users assume that the more GPUs a workstation has, the faster the rendering will be. However, in real-world projects, it doesn’t always work that way. Let’s break down why this happens and how to fix Cinema 4D render slow on multi-card servers.

Describe the issue Cinema 4D render slow

We’ve seen many cases where customers run into slow rendering with Cinema 4D on multi-GPU servers. Even after enabling all GPUs in C4D Preferences, the cards don’t always run at full capacity.

For example, one customer used an 8xRTX 4090 server, but only one GPU (GPU 6) was active, and even then, it was running at just 12% utilization. This not only wastes rendering time but also increases costs when renting powerful hardware.

Why does it happen?
The most common reason is CPU bottleneck.

Even though GPU rendering is fast, the CPU still plays a critical role in task distribution. If a scene is too simple, GPUs finish their jobs quickly but then sit idle, waiting for the CPU to assign more work. This imbalance can make multi-GPU setups slower instead of faster.

How to fix C4D render slow?

Update the latest GPU Driver
Cinema 4D and render engines often require the latest GPU drivers for optimal performance. Outdated drivers can cause poor GPU utilization.

If you’re using an iRender server:

Go to the X drive on your remote machine
Open NVIDIA RTX 4090 DRIVER > Studio
Choose the latest driver by Date Modified
Install it, restart the machine, and reconnect

Note: New machines at iRender usually come with the latest drivers, but older ones may require manual updates. Many customers have fixed performance issues this way.

Turn on/off the Hardware-accelerated GPU Scheduling (HAGS)
If updating drivers doesn’t help, try toggling HAGS. This feature shifts some processing tasks from the CPU to GPU hardware, aiming to reduce latency and improve scheduling for rendering and gaming. However, it doesn’t always work well in every case, so turning it on/off may help.

Try on fewer card servers
If performance still doesn’t improve, test rendering on a server with fewer GPUs. For lighter scenes, too many GPUs can worsen CPU bottlenecks. One customer reported:

2× RTX 4090 server: 1 frame rendered in 8 seconds
8× RTX 4090 server: 1 frame rendered in 10 seconds In this case, fewer GPUs actually saved time and money.

In addition, we also performed the C4D Redshift and C4D Octane benchmark rendering test on a single card vs 4xRTX 4090 machine with heavy scenes and light scenes. The results showed that, with light scenes, the quad-card server sped up rendering 3x. While with heavy scenes, it accelerated rendering more than 3x, so it is very effective, especially for large projects.

More GPUs provide better performance for complex projects, but not always for simple ones.

Change the bucket size
To fix Cinema 4D render slow, another trick that worked for our customers was increasing the bucket size from 64 to 512.

Important note: The size of each bucket can be important to GPU performance!

If the bucket size is too large, you may run into the “last bucket effect,” where one GPU gets stuck on the final tile while the others sit idle. To avoid wasted performance, 128×128 is usually the best choice unless you’re rendering very high-resolution frames.

iRender - The best render farm for Cinema 4D

If you’re working on heavy scenes with complex setups and long render times, your local machine might not be enough. Choosing a render farm to offload your work will save your life.

iRender is the best render farm for Cinema 4D. We give you access to high-performance GPUs, so you can render faster and more efficiently, no need to upgrade your own hardware. All servers are equipped with:

AMD Ryzen™ Threadripper™ PRO 3955WX (3.9-4.2GHz) or
AMD Ryzen™ Threadripper™ PRO 5975WX (3.6-4.5GHz)
(1/2/4/6/8x) – RTX 3090/4090
256GB RAM
2TB NVMe SSDs

Simple Your Workflow with Cinema 4D Preinstalled
Our servers have Cinema 4D and Redshift preinstalled. As an official partner of Maxon, each user can also use a combo C4D Redshift license for free from us. You just need to transfer your files, connect to the remote machine. Then you can render yourself like the way you do on your local PC. Setting up ONCE and your working environment will be saved and ready to use at any time.

Why choose iRender?

Unlike other services, iRender lets you upload and download files without starting the server, saving you both time and money. We offer a Desktop app for Windows with a full feature set and a simple Drive app for macOS for easy file transfers. Here’s why iRender is a top choice for your rendering needs:

100% Software Support: We support all 3D software, their plugins, and render engines.
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How to rotate and flip textures in Blender

iRender GPU Render Farm — Mon, 27 Oct 2025 03:49:23 +0000

Blender, a powerful open-source software, offers a range of tools and techniques for manipulating these textures, allowing artists to achieve the desired visual effects. Among these techniques, rotating and flipping textures can impact the appearance of a mode, allowing for dynamic adjustments that enhance realism and artistic expression. Therefore, understanding how to effectively rotate and flip textures not only improves your skills as a 3D artist but also opens up new creative possibilities.

In the blog, iRender will discuss the topic*’ How to rotate and flip textures in Blender’*.

Understanding of rotating and flipping textures in Blender

Rotating a texture involves changing its angle on the surface of the 3D model. This can be crucial when you want to align patterns or adjust the direction of details like wood grain or fabric prints. When you rotate a texture in Blender, you’re often manipulating its UV coordinates. UV mapping determines how a 2D texture is applied to a 3D model. You can rotate textures using the UV Editor or through Nodes, which allows for precise control over texture placement.

Flipping a texture refers to inverting it along a specific axis, which can create mirror effects or align textures better across seams. Flipping can help in various scenarios, such as matching texture patterns on adjacent surfaces or creating symmetrical designs.

Look at the following example to understand easily:

In the first image, you can see the crab texture applied to the frame is upside down. On the left, the UV map in the editor hasn’t been rotated, so Blender displays the texture incorrectly on the 3D object. This is a typical issue that happens when the UVs don’t match the texture’s intended orientation.

The second image shows the correction. By simply rotating or flipping the UV island in the UV/Image Editor, the crab texture now appears upright and properly aligned on the frame. This small adjustment ensures the artwork is displayed exactly as intended without needing to alter the original image file.

How to rotate a texture

Rotating a texture in Blender can be accomplished through a couple of methods, primarily using a mapping node or the UV coordinates.

*Method 1: *

One way is to use a mapping node to map our texture’s coordinates, and then use the rotation values to change the texture’s rotation.

Create a Texture Coordinate Node and Mapping node
Connect the preferred texture coordinate to the mapping node vector input
Connect the mapping node output to the texture vector input
Use the mapping node rotation values to rotate the texture or use scale to flip it

Method 2:

The second way is to rotate the UV coordinates. Note that our textures must use the UV coordinates for these changes to take place. Rotating and flipping UV maps generally enables us to export these modifications from Blender later on. Additionally, we can modify individual mesh segments that contain a material rather than altering the rotation of the entire material.

In order to rotate an image texture using a mapping node, we will need both the image texture and the texture coordinate to map our texture. Both an image texture and the texture coordinate to map our texture by are required in order to rotate an image texture using a mapping node. For example, we will obtain our coordinates using a Texture Coordinate node, however any texture coordinate can be used.

How to flip a texture

Flipping a texture in Blender refers to the process of reversing the orientation of that texture, either horizontally (left to right) or vertically (upside down). This can be useful for various purposes, such as correcting the orientation of a texture, achieving a mirrored effect, or aligning a texture better on a 3D model.

Types of Texture Flipping

Horizontal Flip: This flips the texture along the vertical axis. For example, what is on the left of the texture will appear on the right, and vice versa.
Vertical Flip: This flips the texture along the horizontal axis. The top part of the texture will appear at the bottom, and the bottom part will rise to the top.

If you’re experiencing the same issue as me and your image texture appears flipped/mirrored, and you want to rotate it but don’t know how, it’s very simple! In the Mapping node, just rotate your image on the X axis by 180 degrees. If your image is lying on its side, just rotate on the Z axis until it’s in the right direction.

Step 1: Select an object.

Step 2: Go to Object > Mirror > Interactive Mirror , or we can use shortcut Ctrl + M.

Step 3: Press X followed the shortcut Ctrl + M , then we can flip object horizontally along X axis.

Step 4: Press Y followed the shortcut Ctrl + M , then we can flip object upside down along Y axis.

Step 5: Press Z followed the shortcut Ctrl + M , then we can flip object upside down along Z axis.

Final Thoughts

Flipping and rotating textures is a common task in Blender. Whether you work with textures, materials, or UVs, you will probably need to do this more than once. Rotating and flipping textures in Blender can be done quickly, either with the Mapping node in the Shader Editor or by adjusting UVs in the UV Editor. Both methods are powerful, and choosing between them depends on whether you need global procedural adjustments or precise manual control. By mastering these techniques, you can fix alignment issues, create variation, and add more flexibility to your texturing workflow in Blender.

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What Are the Best Modo 3D Tips and Tricks to Improve Your Workflow?

iRender GPU Render Farm — Fri, 24 Oct 2025 03:27:44 +0000

Modo 3D has always been a favorite among artists who value flexibility, speed, and control. Unlike other 3D packages that overwhelm you with endless menus and tools, Modo emphasizes a smaller set of powerful, versatile features that you can adapt and expand to match your workflow. In 2025, with Foundry’s continuous improvements in performance, rendering, and usability, Modo is more capable than ever. To help you get the most out of it, here are ten practical tips that will improve your experience and make your time in Modo more enjoyable and productive.

Modo 3D is a versatile 3D content creation suite originally developed by Luxology and now owned by Foundry. It combines polygon and subdivision modeling, sculpting, painting, animation, and rendering into a single streamlined package. With support for n-gons, edge weighting, and robust cross-platform compatibility on Windows, Linux, and macOS, Modo has long been a favorite among artists who value both power and flexibility.

What sets Modo apart from many mainstream 3D applications is its workflow philosophy. While tools like Maya or 3ds Max encourage the use of highly specialized tools for specific tasks, Modo emphasizes a smaller, core set of tools that can be combined, customized, and extended using its Tool Pipe, action centers, and falloffs—giving artists the freedom to shape their workflows.

Another highlight is Modo’s 3D painting system, which enables artists to paint directly onto models in real-time. You can paint textures, apply effects like blur or smudge, or even scatter mesh instances across a surface. The system leverages a combination of tools, brushes, and inks—for example, pairing a procedural brush with an “image ink” to project an existing texture onto geometry. With pressure-sensitive tablet support, these painted maps can drive shading properties, such as bump or displacement, letting artists see the results instantly in the viewport.

Let’s explore some of the best productivity tips for Modo in this blog with iRender.

1. Build Custom Tools with the Tool Pipe

Modo’s Tool Pipe is one of its defining features. Instead of overwhelming you with hundreds of niche tools, Modo gives you a smaller, versatile set that can be combined into new workflows.

For example, you could:

Combine Extrude + Bevel + Smooth into one custom tool for building panels.
Pair Clone + Falloff to quickly create repeating patterns with variable scaling.
Open the Tool Pipe editor, drag your base tools in, arrange them in the desired order, and save it as a custom tool that you can call up whenever needed.
Tip: Add a Python script at the end of your Tool Pipe chain to automate repetitive steps—like renaming meshes, assigning materials, or exporting to FBX.

2. Save Time with Macro Recording

Tired of repeating the same steps over and over? That’s where Macros shine. Macros record your actions—like “Unwrap → Relax → Pack UVs”—and turn them into a reusable tool.

Some common macro uses:

Automating mesh cleanup before export.
Applying consistent material setups.
Speeding up repetitive UV adjustments.
Enable Record Macro, perform your actions, then stop and save. You can assign the macro to a hotkey for instant recall.
Tip: Organize macros into categories (Modeling, UV, Render) and export them to your team library. This ensures everyone uses the same pipeline steps.

3. Speed Up Scene Assembly with Drop Actions

Building scenes in Modo can be lightning fast with Drop Actions. Instead of navigating menus, you can drag an object from the Item List onto another object in the viewport and instantly:

Parent it to the target.
Replace the target.
Instance or duplicate it. Modifier keys (Ctrl, Shift, Alt) let you expand the behavior.

Example: Dragging a tree model onto terrain can instantly scatter instances without breaking flow.

Tip: Prepare kitbash libraries—like modular buildings, sci-fi panels, or props—and assemble scenes in minutes using Drop Actions.

4. Stay in the Flow with Select-Through

Nothing breaks momentum like having to switch tools just to make a selection. With Select-Through, you don’t have to.

By holding K, you can change selections (vertices, edges, polygons) without dropping your active modeling tool. This is a small but powerful timesaver when sculpting or poly modeling.

Tip: Rebind this function to a more ergonomic shortcut, like a thumb key on your stylus or a side button on your mouse, to keep one-hand efficiency.

5. Use the Slide Tool for Precision Adjustments

The Slide Tool lets you slide components along their connected geometry. In Modo 17+, it’s no longer limited by edge boundaries, giving you much more control.

Uses include:

Adjusting topology flow without breaking surface shape.
Extending loops beyond the mesh for experimental modeling.
Fine-tuning edge placement for subdivision control.
Tip: Combine the Slide Tool with falloffs (like radial or linear) to smoothly shift multiple vertices at once for organic, sculptural effects.

6. Clean Up Your UVs Early

UV mapping is never glamorous, but messy UVs can ruin renders. In Modo, fixing flipped UVs is simple:

Separate mirrored islands.
Select reversed polygons.
Flip them in the UV editor.
Clean UVs mean textures, normal maps, and decals behave predictably—saving hours of troubleshooting later.
Tip: Install a quick UV check shader that highlights overlaps and flipped islands in red, so you can catch issues at a glance.

7. Master the Shortest Path Selection

The Shortest Path feature lets you select a continuous path between two points. It’s beneficial for hard-surface and character modeling.

How to use it:

Activate Shortest Path.
Click two vertices, edges, or polygons.
Modo selects the clean path between them.
Hold Ctrl to reset your starting point without dropping the tool.
Tip: Use Shortest Path in combination with Selection Fill scripts to quickly grab entire organic regions (like the folds of a sleeve or segments of a pipe).

8. Automate Material Setup with File Naming

Modo’s PBR Loader automatically assigns textures to channels when they follow a naming convention. For example:

model_diffuse.png → Color
model_normal.png → Normal
model_roughness.png → Roughness
This cuts setup time in half.
Tip: Create a universal naming convention across all your projects and make import presets. That way, you can drag a folder of textures into Modo and instantly have a fully shaded asset.

9. Leverage MeshOps for Procedural Workflows

MeshOps is Modo’s hidden powerhouse. They allow you to apply non-destructive operations, such as slicing, cloning, deforming, or scattering.

Practical uses:

Hard-surface modeling: Add bevels or holes procedurally and adjust them later.
Environment art: Scatter rocks or foliage with adjustable parameters.
Decals: Apply logos or details without altering the base mesh.
Tip: Keep MeshOps in a separate stack and toggle them on/off as needed for faster viewport performance.

10. Save and Share Custom Configs

Modo is highly customizable, but it’s easy to lose your tweaks after a reset. That’s why saving your configs is essential.

How to do it:

Export your UI layout, hotkeys, and custom menus.
Save them in a versioned folder.
Reload them any time you reinstall or switch machines.
Tip: Create multiple workflow profiles—for example, “Hard Surface,” “Organic Sculpting,” or “Rendering”—and sync them with a cloud service (Dropbox, Google Drive). Switch profiles depending on the task at hand.

Conclusion

Mastering these tips will not only help you work faster and smarter in Modo 3D but also allow you to focus more on the creative side of your projects. From customizing your toolset to leveraging procedural systems, these workflows can save you valuable time and reduce repetitive tasks. However, as your projects grow in complexity with high-resolution textures, heavy simulations, or final-quality renders, your local machine may not always keep up.

That’s where a cloud render farm like iRender comes in. With powerful GPU and CPU configurations optimized for 3D software, iRender gives Modo artists the freedom to scale their rendering power on demand. Instead of waiting hours for test frames or final sequences, you can offload your work to iRender’s servers and get results much faster, freeing you to focus on creativity and iteration.

By combining efficient workflows inside Modo with the scalable performance of iRender, you can push your projects further than ever in 2025—whether you’re creating motion graphics, product design, or VFX.

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iRender provides high-configuration servers that increase CPU and GPU rendering speeds. We offer the most powerful RTX 4090 configuration packages on the market, all equipped with AMD RyzenTM ThreadripperTM PRO 3955WX @ 3.9 – 4.2GHz and AMD Ryzen™ Threadripper™ PRO 5975WX @ 3.6 – 4.5GHz processors, 256GB RAM and 2T NVMe SSD hard drive capacity. With a wide range of GPU servers (1/2/4/6/8x) – RTX 4090, you can choose the server that suits your needs to start the rendering process. You just need to transfer your files, connect to the remote machine, and install Maya, then add your software license and render yourself. Setting up ONCE will save your working environment and make it ready to use anytime.

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Which Graphics Card Is Best for Lumion 2025?

iRender GPU Render Farm — Wed, 22 Oct 2025 03:22:19 +0000

Lumion is the architectural software of choice for many designers, architects, and 3D artists worldwide. It’s fast, intuitive, and produces stunning results in real time. However, like any visualization software, your experience largely depends on your hardware, and your graphics card is arguably the most important factor.

If you’re running Lumion 2025 or planning to upgrade, you may be wondering: What’s the best graphics card for Lumion right now? This article will walk you through the key factors to consider, Lumion 2025 system requirements, and our top GPU recommendations for faster, smoother, and more efficient rendering.

Factors Considered When Choosing Graphics Card for Lumion 2025

Performance Considerations
When selecting a GPU for Lumion, the most crucial factor to consider is its performance. Since Lumion is a software that requires a powerful GPU to process complex scenes and render in real time. Look for a graphics card with a high number of CUDA cores, a high clock speed, and plenty of VRAM. These specs will ensure smooth and fast rendering.

The quickest way to determine a high-performance GPU is to rely on the PassMark score, which gives you a benchmark of how powerful a card is compared to others. Lumion needs a dedicated GPU with as many Passmark points as possible. The higher the score, the better Lumion will perform and the faster it will render.

Entry level (PassMark 8,000+): Graphics cards are good for small projects, simple scenes, and basic rendering.
Mid-level (PassMark 14,000+): GPUs are good for medium-sized projects, more complex lighting, and higher resolutions.
High-level (PassMark 20,000+): GPUs are ideal for heavy scenes, ultra-high-resolution rendering, and smooth real-time navigation.

It is also worth noting that Lumion favors NVIDIA graphics cards, as the software generally offers better optimization and compatibility with NVIDIA GPUs. While AMD graphics cards can still work with Lumion, some users have reported minor compatibility issues and performance differences.

Compatibility with Lumion
You should also consider the card’s compatibility with Lumion. Version 2024/2025 has improved ray tracing features to provide more realistic lighting, shadows, and reflections. While Lumion’s ray tracing doesn’t completely replace rasterization rendering, having a GPU that supports ray tracing can improve workflow quality and efficiency.

In addition, the graphics card memory also affects the performance of the project, more memory is better. Of course, using an unsupported graphics card can lead to compatibility issues as well as not providing optimal performance. Refer to the list of graphics cards that Lumion recommends below. This list includes initial research into cards that provide suitable support and performance for Lumion 2025/2024.

Note: Ray tracing is an optional feature, so you can still use Lumion 2024/2025 even if your graphics card does not support Ray tracing. You just cannot use the Ray tracing effect, but can still render using the Rasterization rendering process.

Budget Considerations
Graphics cards vary widely in price, so choosing the right card for your budget is important. Lumion is a professional software that requires a powerful graphics card, which is usually more expensive. However, there are options for different budgets.

If you have a flexible budget and want the best performance, high-end graphics cards such as the NVIDIA GeForce RTX 5090, 4090, 4080, or AMD Radeon RX 7900 XTX/XT, RX 9070, RX 7800 XT are great choices. These cards offer top-notch performance and are suitable for professionals or professional studios that need maximum rendering capabilities.

On the other hand, mid-range graphics cards such as the NVIDIA GeForce GTX 1660 Super or AMD Radeon RX 5600 XT can still provide satisfactory performance at a more affordable price. These cards offer a good balance between affordability and performance. They are suitable for 3D artist beginners, small-scale projects.

Future-Proofing and Upgradability
If you invest in a GPU in 2025, think about how long you expect it to last. While a mid-range graphics card can handle Lumion today, software updates, higher resolution displays, and more complex projects may push it to its limits sooner than you think.

Opting for a slightly more powerful GPU now can extend its useful life by several years. You may save on upgrade costs in the short term. Also, don’t forget to check that your power supply (PSU), cooling system, and computer case can handle a larger GPU if you decide to upgrade in the future.

Summary Requirements

Note: Rendering movies in 4K resolution requires a minimum of 8GB graphics card memory.

Recommended Graphic Cards for Lumion 2025

High-end Requirements (For Ultra Complex Projects)
Extremely Complex
When working with extremely complex Lumion projects like rendering a full-scale city, airport, or stadium, you’ll need nothing short of a powerhouse GPU. It’s better with Raytracing-supported GPUs.

Minimum requirements:

Pro-only graphics cards with at least 32GB of graphics card memory.
Well above 22,000 PassMark points.

Examples:

NVIDIA RTX A6000 (48GB)
NVIDIA Quadro RTX 8000 (48GB)
AMD Radeon Pro W7900 (48GB)

Large-scale
A large-scale project, such as a detailed landscape made with high-end Lumion features like Fine-detail Nature and 3D Grass.

Highly Detailed
Or highly detailed multi-floor buildings packed with complex interiors and HD textures, Lumion needs:

Minimum Requirements:

16 GB+ graphics card memory.
22,000 PassMark points.

Examples:

NVIDIA: Geforce RTX 3090, RTX 3090 Ti, RTX 4070Ti, RTX 4080, RTX 4090, RTX A5000, RTX A5500, NVIDIA RTX A6000
AMD: Radeon RX 6800 XT, RX 6900 XT, RX 6950 XT, RX 7900 XT, RX 7900 XTX

It’s important to note that GPU performance isn’t the only factor. To match these high-end graphics cards for Lumion, your CPU should deliver as high a clock speed per core as possible, ideally above 3000 on the single-threaded CPUMark test. For extreme performance GPUs like the RTX 4090 or Radeon RX 7900 XTX, a recommended score of 3500 or higher is enough to avoid bottlenecking.

Recommended Requirements (For Complex Projects)
For complex Lumion projects like a small park, a part of a city created with OpenStreetMap, or a large house with a detailed interior made up of HD textures and multiple models (mostly from the Lumion Library), you will need a GPU that balances powerful performance and reliability. Another example at this level is a single residential or commercial building with a partial landscape, including some high-end assets like Fine-detail Nature.

Minimum Requirements:

10 GB+ graphics card memory.
14,000 PassMark points.

Examples:

NVIDIA: GeForce GTX 1080 Ti, GeForce RTX 2080 Ti, RTX 3060, RTX 3070, RTX 3070 Ti, RTX 3080, RTX 3080Ti, RTX 4070 Ti, RTX A4000, Quadro RTX 5000, Quadro RTX 6000, Quadro RTX 8000, Quadro P6000, NVIDIA TITAN XP
AMD: Radeon RX 6700 XT, Radeon RX 6750 XT, Radeon RX 6800, Radeon PRO W6800,Radeon PRO W7700, Radeon Pro W5700X, Radeon VII

To get the most out of these graphics cards for Lumion, your CPU should also keep pace. A processor with high per-thread clock speeds is crucial, along with a single-threaded CPUMark score above 2600.

Minimum Requirements (For Simple Projects)
If you plan to work on simple Lumion projects like a small park, a modest residential building, or basic architectural scenes built primarily using Lumion’s default models and textures, you can get away with less powerful hardware.

Minimum Requirements:

6 GB+ graphics card memory.
8,000 PassMark points.

Examples:

NVIDIA: GeForce GTX 1060, GeForce GTX 1660, GTX 1660 Ti, GTX 1660 SUPER, GTX 1070 Ti, GeForce GTX 1080, RTX 2060, RTX 2060 SUPER, RTX 2070, RTX 2070 SUPER, RTX 2080, GeForce RTX 3050, RTX 3060, NVIDIA TITAN X, Quadro K6000, Quadro RTX 3000, Quadro RTX 4000, Quadro RTX 5000, Quadro P4000, Quadro P5000, Quadro P6000, Quadro K6000, Quadro M5000, Quadro M6000, Quadro P4200
AMD: Radeon Pro W5500, Radeon RX 5500 XT, Radeon RX 5600, Radeon RX 5700, Radeon RX 5700 XT, Radeon Pro 5700, Radeon Pro 5700 XT, Radeon Pro W5700, Radeon RX 6600, Radeon RX 6600 XT, Radeon RX 580, Radeon RX 590, Radeon R9 390X, Radeon Pro WX 9100, Radeon Pro Vega 56, Radeon RX Vega 56, Radeon RX Vega 64, Radeon Vega Frontier Edition

The CPU should have as high a GHz value as possible per thread and should exceed a Single-threaded CPUMark score of 2200 points or more.

However, it should be noted that this configuration will not fully exploit Lumion’s advanced features such as real-time ray tracing or advanced 3D Grass. Additionally, rendering at 4K or 8K resolution requires at least 8GB of VRAM, which is not the case with the smallest GPUs. If your PC is running close to these minimum specs, you should plan to upgrade for more comfortable use in the long run.

FAQ Section

1. How many GPUs does Lumion use?

Lumion is a single-GPU software. It only optimizes one GPU for the rendering process. Using a multi-card server for Lumion is an unnecessary waste.

2. Can Lumion make use of multiple graphics cards?

No. Multiple graphics cards (in NVIDIA SLI, NVIDIA NVLink, or AMD Crossfire configuration) will not boost the performance or render speed in Lumion. Some iRender customers have tried using NVLink on 2xRTX 3090 servers but it did not really bring any noticeable effect.

3. Should I prioritize GPU or CPU for Lumion?

For Lumion, GPU is more important than CPU because real-time rendering relies on graphics card performance. However, you still need a strong CPU to avoid bottlenecks and match your GPU power.

4. How much VRAM do I need for Lumion?

The VRAM needed depends on project complexity. A minimum of 8GB VRAM is recommended, while 12GB-24GB VRAM is ideal for large Lumion projects.

5. Which graphics card is recommended for running Lumion smoothly?

The NVIDIA RTX 4090 is the best graphics card for Lumion 2025. It handles light to heavy projects, offers top performance, has dropped in price since launch, and is easy to find new or second-hand.

Speed Up Lumion Rendering with iRender Render Farm

If your hardware is holding you back and your Lumion architectural projects take hours, days, or even weeks to render, iRender is here to help. iRender is the best render farm for Lumion, with support for all versions and any render engines or plugins needed. We give you access to high-performance GPUs, so you can render faster and more efficiently, no need to upgrade your own hardware. All servers are equipped with:

AMD Ryzen™ Threadripper™ PRO 3955WX (3.9-4.2GHz) or
AMD Ryzen™ Threadripper™ PRO 5975WX (3.6-4.5GHz)
(1/2/4/6/8x) – RTX 3090/4090
256GB RAM
2TB NVMe SSDs

Why choose iRender?

100% Software Support: We support all 3D software, their plugins, and render engines.
Full Control: Our service will give you full control over the servers you rent. Therefore, you are free to create your own working environment.
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Real-human 24/7 Support: Our professional support agents and technicians guarantee to bring you the best rendering experience.

If you still wonder if this is the right place for your project, REGISTER NOW to get a trial and receive a 100% bonus promotion for your first transaction within 24 hours of registration with us.

iRender – Happy Rendering!

What’s the Difference Between 3D Animation, VFX, and CGI?

iRender GPU Render Farm — Tue, 21 Oct 2025 03:33:01 +0000

In movies, video games, and advertisements, we often hear terms like 3D animation, CGI, and VFX used to describe the visuals we see on screen. While they may seem similar, each refers to a different aspect of creating digital imagery. But do you know how they differ from one another? 3D animation focuses on bringing digital models to life through movement and animation. CGI is a broad term for any computer-generated imagery, and VFX involves combining these digital elements with real-world footage. Understanding the differences between them can help us better appreciate the artistry and technology that make modern entertainment so visually stunning.

In the blog, iRender will delve into the key differences of 3D Animation, VFX, and CGI and explore how they work together, and examine their impact on the film industry.

What are VFX, CGI, and 3D Animation?

VFX
VFX refers to the process of integrating computer-generated or enhanced visuals into live-action footage. The goal is to create scenes that would be impossible, expensive, or unsafe to film in real life. VFX is used to create stunning visuals in movies, from fantasy creatures to epic battle scenes. It enhances gameplay environments and character designs with realistic effects. In the field of Commercials and Advertisements, it creates engaging visual content to attract and retain audience attention. Also, it simulates scenarios for training purposes, such as medical procedures or military operations.

All things considered, visual effects are essential to modern narrative because they push the envelope of imagination and make it possible for filmmakers to bring their creative concepts to life on screen.

CGI
CGI (Computer-Generated Imagery) is a broad term that covers any imagery created or enhanced using computer graphics. This can include both still images and moving visuals, and it’s not limited to 3D—it can also be 2D.

CGI can refer to both animated content and still frames, like concept art, architectural visualizations, and other graphics used in various industries.

3D animation
3D animation is the art of creating moving images in a three-dimensional digital environment. Unlike traditional 2D animation, which is drawn frame by frame, 3D animation uses computer software to build characters, objects, and environments that can be rotated, lit, and textured in any direction.

Understanding the Key Differences

Purpose and Function
The purpose of 3D animation, VFX, and CGI is to enhance visual storytelling by creating imagery that captures the audience’s imagination and conveys ideas beyond what is possible through traditional filming.

3D animation functions primarily to give life, personality, and movement to digital characters, objects, and environments, making them feel tangible and emotionally engaging. Besides, CGI serves a broader purpose—its function is to generate any kind of digital imagery, whether fully synthetic scenes, realistic models, or detailed backgrounds, often replacing physical sets or props to save time and cost.

On the other hand, VFX functions as the bridge between the real and the imaginary, seamlessly integrating computer-generated elements into live-action footage to create scenes that are impossible, dangerous, or too expensive to film. Together, their combined purpose is to expand creative possibilities, immerse audiences in believable worlds, and make the extraordinary look real.

Let’s look at the comparison table following:

Techniques
In order to produce realistic movement and captivating surroundings, 3D animation uses a number of specialized techniques. Modeling is a crucial technique that uses polygons, curves, and surfaces to build 3D objects and characters. Additionally, rigging is used in 3D animation to provide realistic movement by creating a skeleton structure for animated characters. Techniques like texturing also provide models color and surface complexity, and lighting is essential for mimicking how light changes an object’s appearance in a setting.

On the other hand, Visual Effects (VFX) uses a number of crucial methods to improve live-action video.In order to produce a cohesive scene, compositing combines layers of images from both live-action and computer-generated imagery. Motion tracking makes ensuring that actors and moving cameras are perfectly aligned with digital effects.

erated Imagery (CGI) encompasses both 3D animation and VFX, utilizing a range of techniques that fall under both categories. CGI techniques often start with modeling and texturing, similar to animation, to create visual assets. The rendering process is crucial for producing high-quality images, applying real-time lighting and shading techniques to enhance realism.

Realism and Character Appearance
3D Animation often leans toward stylization rather than strict realism, especially in genres aimed at children or when creating fantastical elements. Character designs are typically exaggerated with unique features that express personality traits, making them visually distinct and appealing. For instance, in animated films like “Toy Story” or “Frozen,” characters have exaggerated proportions—big eyes, stylized hair, and expressive facial features—enhancing emotional engagement.

Visual Effects (VFX) prioritize realism since they are designed to enhance live-action footage. The goal is to create seamless integration between CGI elements and filmed content. Achieving photorealism is important, requiring precise attention to detail in textures, lighting, and shadowing. In films like “Avatar” or “The Lord of the Rings,” VFX artists pay close attention to how light interacts with both live actors and digital characters, ensuring that everything appears cohesive.

Computer-Generated Imagery (CGI) serves as a hybrid that can encompass both realistic and stylized character appearances, depending on its application. For example, while CGI in animated films may lean towards stylization, in other contexts—like architectural visualization or cinematic shots of landscapes—realism is paramount. CGI techniques allow for the creation of incredibly detailed models that mimic real-life textures and materials, such as skin, fabric, and natural landscapes.

Is CGI a part of VFX?

The answer is Yes.

CGI (Computer-Generated Imagery) is a part of VFX (Visual Effects) and plays a crucial role in enhancing the visual storytelling of films and other media. VFX encompasses a diverse range of techniques used to create images that cannot be captured during live-action filming. Moreover, CGI specifically refers to the creation of images through computer software, which includes modeling, texturing, animating, and rendering.

In the context of VFX, CGI serves as a powerful tool to integrate digital elements seamlessly into live-action footage, allowing filmmakers to create stunning visuals that enhance narrative depth and engagement. For examples, you can see this integration can be seen in films like “Jurassic Park,” where CGI dinosaurs interact with real actors, and “Avatar,” where entire alien worlds are woven into live performances with remarkable realism. By combining CGI with techniques such as compositing, motion tracking, and matte painting, VFX artists can create complex scenes that blend fantasy and reality. In essence, while CGI and VFX can be distinct in their definitions, they are interdependent in application, with CGI serving as a foundational element that drives the innovation and creativity within the realm of visual effects.

Applications of VFX, CGI and 3D Animation

Film and Television
CGI is used for creating realistic environments, characters, and special effects that enhance storytelling. Notable examples include entire worlds in animated films, like Toy Story, or CGI characters in live-action films, such as Gollum in The Lord of the Rings. Meanwhile, VFX is used to seamlessly blend live-action footage with digitally created elements, such as explosions, fantastical creatures, or other visual enhancements. Examples can be found in action films like Avatar and The Avengers. 3D Animation is employed heavily in animated movies and series, enabling the creation of dynamic characters and engaging narratives, as seen in films like Frozen.

Advertisement & Marketing
CGI is frequently utilized in advertisements to create eye-catching visuals that may not be feasible in the real world, such as futuristic technology or imaginary products. VFX helps create memorable commercial experiences by incorporating dynamic visuals that grab viewers’ attention, often blending real and virtual elements.

3D Animation is used in animated commercials to effectively convey product benefits and messages in an engaging manner.

Gaming Industry
In gaming, both VFX and CGI play crucial roles in enhancing gameplay experiences. VFX enhances real-time graphics during gameplay, contributing to realistic explosions, environmental effects, and character animations, making the game world more engaging. 3D Animation integral in developing game characters and environments, allowing for fluid movements and rich storytelling elements in both independent and blockbuster games. CGI is used for promotional trailers and cinematic sequences in video games to create immersive experiences before gameplay.

Conclusion

In the end, 3D animation, VFX, and CGI may all work hand in hand, but they each play a unique role in how movies, games, and digital media come to life. 3D animation adds personality and movement, VFX blends the real and the unreal, and CGI is the powerful toolset that makes both possible. When combined, they open up endless creative possibilities, turning imagination into visuals that capture audiences worldwide. Whether you’re a creator or just a curious viewer, understanding these differences helps you better appreciate the magic happening behind the screen.

iRender Farm supports all the software

iRender is a perfect option to render projects in PC optimization for rendering tasks, CGI, and VFX with over 30.000 customers. To bring the best experiences for customers, iRender has been improving the quality and updating the newest technology every day. We provide high-configuration dedicated servers (physical computers/machines) specifically optimized for GPU rendering.

All servers at iRender are also equipped with AMD Ryzen™ Threadripper™ PRO 3955WX @ 3.9 – 4.2GHz or AMD Ryzen™ Threadripper™ PRO 5975WX @ 3.6 – 4.5GHz, 256GB RAM, 2TB Storage NVMe SSD.

We suggest Windows users work with our all-in-one application, iRender GPU instead of coming our website. For Linux or macOS users, we provide a helpful and free transferring program called iRender drive. You can take a look at this video For Windows or For Mac OS to understand our workflow.

Furthermore, you can always save 10%, 20% or more with our Fixed Rental feature. For those who’re in need of a server more than a day, or have an extremely large project, we advise to choose a daily/ weekly/monthly rental package. The discount is attractive (10% for daily packages, 20% for weekly, and more for monthly packages).

In case you have any problems or questions, don’t hesitate to contact the 24/7 support team. We will be happy to help you with your questions and problems at all times.

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How Do You Achieve High-Quality Renders with Arnold for Maya?

iRender GPU Render Farm — Sat, 18 Oct 2025 03:52:54 +0000

Rendering is the final and one of the most crucial steps in any 3D pipeline. In 2025, Arnold remains a favorite among Maya users for its physically accurate ray tracing, deep integration, and reliability across film, animation, and commercial work. However, achieving crisp, clean, and professional-looking renders in Arnold still requires a deep understanding of sampling, lighting, and scene optimization. This blog post walks you through practical and advanced tips to elevate your render quality with Arnold for Maya. Let’s explore with iRender.

1. Understand Sampling and Noise Control

Arnold’s sampling system is at the heart of render quality. In 2025, while GPU rendering has gained momentum, CPU rendering remains dominant in high-end production for its accuracy and flexibility. Regardless of the mode, you need to control noise strategically:

Camera (AA) Samples

Controls the overall image quality.
Default value of 3-4 is fine for test renders; raise to 5–7 for final frames.
Diffuse, Specular, Transmission, and SSS Samples
These control how clean each lighting component is.
Use AOVs (Arbitrary Output Variables) to identify the source of the noise.
Adaptive Sampling (NEW in Arnold 7.3+)
Enable Adaptive Sampling to reduce render times while maintaining quality.
Set a high max AA (7–10) and let the noise threshold (start with 0.015) control sample distribution.

Pro Tip: Increase only the specific component causing noise. For example, shadow noise often comes from direct light samples, not camera AA.

2. Light Sampling for Clean Shadows and Highlights

In many cases, global sampling settings won’t clean up direct light or shadow noise. Each light source in Arnold has its own sampling attribute.

Area Lights & Spotlights: Increase light samples (from 1 to 3–5).
HDRI Environments: Use Skydome light with higher sample values (3–8) to eliminate blotchy shadows.
Bonus: Turn on MIS (Multiple Importance Sampling) for area lights—it optimizes sampling when lights affect glossy or specular surfaces.

3. Work with High Resolutions and Proper Output Formats

Output resolution and format dramatically affect perceived quality:

Resolution: 1920×1080 is standard; use 4K (3840×2160) for detailed work or projection.
Output Format: Use OpenEXR (16 or 32-bit) to preserve full dynamic range for color grading or VFX compositing.
Enable Color Management in Maya using ACEScg to maintain industry standards and consistency.

4. Use AOVs and Render Layers Strategically

When it comes to achieving compositing flexibility and control in Arnold for Maya (2025), leveraging AOVs (Arbitrary Output Variables) and Render Layers is essential—and the official documentation clearly outlines why and how.

AOVs: Decoupled Lighting and Shading Passes
According to Autodesk, AOVs allow you to render any component of the shading network—such as individual lighting contributions—into separate images. This means you can isolate direct versus indirect lighting, specular reflections, subsurface scattering, and more, enabling granular adjustments in post-production.

You can enable built-in AOVs or create custom ones via Render Settings → AOVs tab. Once activated, they appear in the Arnold Render View’s Light Groups dropdown for quick selection

Render Layers and Overrides
Render Layers can be set up using Maya’s Render Setup. Autodesk documentation illustrates how you can create multiple layers, each with tailored overrides for objects, lights, or shaders. You might, for instance, separate characters from background elements or isolate FX elements—each layer can have its own AOV configuration and material overrides.

A key note from the SimplyMaya forum, even based on Autodesk workflows, is that if the master scene layer is disabled, it can strip away important settings like AOVs or light assignments. Keeping the master scene active ensures all AOVs and render configurations persist across layers

5. Optimize Scene Complexity for Speed and Efficiency

Large scenes can kill render speed and quality if not optimized.

Hide Off-Camera Geometry: Use render layers or display layers to turn off hidden geometry.
Disable Unused Lights and Shaders: Every shader or light adds overhead, even if not visible.
Use Stand-ins (ASS files) for complex assets to reduce scene size.
Enable instancing for duplicated geometry (such as trees and crowds).
New in 2025: Arnold’s Scene Source Manager enables you to manage external files and dynamically optimize memory usage.

Conclusion

Arnold for Maya remains one of the most powerful render engines in 2025, but raw hardware alone isn’t enough. Knowing how to fine-tune your sampling, lighting, and scene structure can dramatically improve both quality and render time. By leveraging smart AOV setups, adaptive sampling, you can consistently produce production-quality images—even under tight deadlines. However, even the best-optimized scenes can demand significant computational resources, especially for complex animations or high-resolution stills.

This is where cloud and remote rendering services like iRender come into play. iRender offers powerful, GPU-accelerated servers equipped with the latest RTX 3090/4090 GPUs and scalable multi-GPU setups, designed to handle heavy Arnold workloads efficiently.

iRender - Elevate Your Arnold Renders with Smart Workflow and Scalable Rendering Power

iRender provides high-configuration servers that increase CPU and GPU rendering speeds. We offer the most powerful RTX 4090 configuration packages on the market, all equipped with AMD RyzenTM ThreadripperTM PRO 3955WX @ 3.9 – 4.2GHz and AMD Ryzen™ Threadripper™ PRO 5975WX @ 3.6 – 4.5GHz processors, 256GB RAM and 2T NVMe SSD hard drive capacity. With a wide range of GPU servers (1/2/4/6/8x) – RTX 4090, you can choose the server that suits your needs to start the rendering process. You just need to transfer your files, connect to the remote machine, and install Maya, then add your software license and render yourself. Setting up ONCE will save your working environment and make it ready to use anytime.

In particular, if you use Maya with Redshift, you can connect to our remote server and use a free Redshift license. For Maya, install and use your license. Maya often uses third-party rendering engines such as Redshift, V-Ray, or the default Arnold renderer. Whether you use these render engines or not, you can still find a suitable rendering package at iRender. You can find a lot of server packages with extremely high-end configurations that are suitable for complex projects.

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What does “Ti” mean in NVIDIA graphics cards?

iRender GPU Render Farm — Thu, 16 Oct 2025 04:08:03 +0000

When searching NVIDIA’s lineup of graphics cards, you will often encounter models labeled with a “Ti” suffix—such as the RTX 3060 Ti, RTX 4070 Ti, or older versions like the GTX 1080 Ti. While this small addition may appear insignificant, it carries considerable weight in the world of graphics processing. In this blog, iRender will explore the meaning of “Ti,” its technical and marketing implications, and how it affects consumer choice and GPU performance.

Let’s get started with iRender!

What Does “Ti” Stand For?

In NVIDIA graphics cards, “Ti” stands for “Titanium.” It designates a higher-performance variant of a particular GPU model. Ti versions typically offer enhanced specifications, such as more CUDA cores, better clock speeds, or additional memory, leading to improved performance over the non-Ti models. The designation is used to indicate that these models are aimed at enthusiasts or gamers seeking greater graphical power.

For example, the RTX 3060 Ti offers better performance than the regular RTX 3060, but falls below the RTX 3070. This positions the “Ti” model as a mid-step between two base models.

NVIDIA uses the “Ti” designation to fill in performance gaps within a product generation. In doing so, the company can offer a more granular and flexible product lineup. Ti models are typically equipped with more CUDA cores, higher memory bandwidth, and faster clock speeds compared to their non-Ti counterparts. This results in improved gaming performance and more efficient handling of graphical workloads.

The Ti label helps differentiate between standard and high-performance options within the same series, making it easier for consumers to identify models that provide superior performance without entering the next tier.

Here’s how the segmentation typically works:

Base Model (e.g., RTX 3060): Standard performance for the generation.
Ti Variant (e.g., RTX 3060 Ti): Enhanced performance—more CUDA cores, higher memory bandwidth, better ray tracing capabilities.
Next-Tier Model (e.g., RTX 3070): Significantly higher performance and usually priced higher than the Ti variant.

What makes a Ti card better?

Ti cards from NVIDIA offer several advantages over their non-Ti counterparts, making them a better choice for many users. Ti models often have a higher number of CUDA cores, which allows for better parallel processing capabilities, increasing overall performance in gaming and computational tasks.

Example: The RTX 4070 Ti may feature more CUDA cores than the RTX 4070, leading to improved rendering and frame rates in games.

Moreover, Ti variants typically have higher boost clock speeds, which can result in better performance, especially in demanding applications and games. Ti cards often come with faster memory (GDDR6X, for instance) or wider memory buses, leading to improved performance in memory-intensive tasks.

Let’s compare the Nvidia GeForce RTX 3080 to the RTX 3080 Ti:

As you can see, the RTX 3080 Ti offers significant upgrades in multiple areas, leading to a noticeable increase in gaming performance.

Nvidia TI vs Non-TI GPUs

When comparing NVIDIA Ti GPUs to their non-Ti counterparts, the distinction lies in performance, pricing, and target audience. The “Ti” designation signifies a mid-cycle performance upgrade that bridges the gap between the base model and the next higher-tier card in the lineup. Ti variants generally feature more CUDA cores, higher clock speeds. This results in better performance in gaming, rendering, and compute-heavy tasks, often offering a noticeable frame rate boost and smoother performance.

For example, an RTX 3060 Ti can significantly outperform a standard RTX 3060, placing it closer to the RTX 3070 in raw power while usually costing less than that higher-tier option.

On the other hand, Non-Ti GPUs excels in value and efficiency. They typically consume less power, produce less heat, and cost noticeably less than Ti variants, making them appealing to casual gamers, office workstations, and systems with limited cooling or PSU capacity. They also often share the same architecture and feature set as their Ti counterparts, meaning you’re not losing access to NVIDIA technologies like DLSS, ray tracing, or NVENC encoding—just raw performance.

Here’s a clear comparison of NVIDIA Ti vs Non-Ti GPUs, followed by a concrete example so you can see the difference in real-world specs and performance. I will compare RTX 3060 vs RTX 3060 Ti:

Should you choose an Nvidia TI Graphics Card?

Whether you should choose an NVIDIA Ti graphics card depends on your performance needs, budget, and system capabilities. Ti models are designed to deliver a clear step up from their non-Ti counterparts. It often offering 20–40% more performance thanks to extra CUDA cores, faster clock speeds, and sometimes wider memory buses. This makes them an excellent choice for gamers who want smoother frame rates at 1440p or 4K, content creators working with video editing, 3D rendering, or AI workloads, and professionals who need more computing power without jumping all the way to a flagship GPU.

However, this performance boost comes at a cost—both financially and in system demands. Ti cards cost more, typically draw more power, and produce more heat, which means you may need a higher-wattage PSU and better cooling. For users playing mostly at 1080p, doing light creative work, or simply seeking the best value, a non-Ti card might make more sense, as the extra performance of a Ti may go unused.

In short, you should choose an NVIDIA Ti GPU if you want near-flagship performance at a mid-range price, have a system that can handle the extra power and cooling needs, and plan to run demanding workloads or high-resolution gaming. But if your focus is budget efficiency, lower power use, and quieter operation, the non-Ti version is often the smarter buy.

Final Thoughts

In summary, the “Ti” designation in NVIDIA graphics cards signifies enhanced performance and capabilities compared to standard models. If you are looking for superior gaming experiences, better efficiency in content creation, or future-proofing your system, a Ti card could be a worthwhile investment. However, it’s essential to consider your specific needs, budget, and system compatibility before making a purchase. Ultimately, choosing a TI graphics card can lead to improved performance, but it’s crucial to align your choice with your workload requirements and gaming aspirations for the best overall value.

iRender- The best cloud rendering supporting all software

iRender is proud to be one of the best GPU service providers on the market. You can find a lot of options suitable for your Blender project. iRender offers from 1/2/4/6/8 RTX 4090s and 3090s. In addition to offering powerful configurations, all servers at iRender are also equipped with AMD Ryzen™ Threadripper™ PRO 3955WX @ 3.9 – 4.2GHz or AMD Ryzen™ Threadripper™ PRO 5975WX @ 3.6 – 4.5GHz, 256GB RAM, 2TB Storage NVMe SSD.

We suggest Windows users work with our all-in-one application, iRender GPU instead of coming our website. For Linux or macOS users, we provide a helpful and free transferring program called iRender drive. You can take a look at this video For Windows or For Mac OS to understand our workflow.

Furthermore, you can always save 10%, 20% or more with our Fixed Rental feature. For those who’re in need of a server more than a day, or have an extremely large project, we advise to choose a daily/ weekly/monthly rental package. The discount is attractive (10% for daily packages, 20% for weekly, and more for monthly packages).

In case you have any problems or questions, don’t hesitate to contact the 24/7 support team. We will be happy to help you with your questions and problems at all times.

Register an account today to experience our service or contact us via email at hanght@irender.vn or WhatsApp: at (+84) 912075500 for advice and support.

Happy Rendering!