Create stunning photorealistic images and videos from any CAD system, real life photo, or even a quick napkin sketch.
IMAGE RENDERS COMPLETE IN 60 SECONDS.
Aqsis is a legacy free and open-source RenderMan-compatible REYES renderer. It reads RIB scene descriptions and supports a classic offline workflow built around renderer options, shader and texture search paths, compiled RSL shaders, cameras, lights and image output. Its archived 1.8 series added point-based ambient occlusion and color bleeding tools alongside RIB-processing improvements. The published 1.8.2 source release dates from 2012, so current operating-system and DCC compatibility should be validated before it is selected for a new pipeline.
Aqsis suits people maintaining, studying or exporting into a classic RenderMan-style REYES workflow. The useful starting point is a prepared RIB scene or a clear viewport image that establishes the model's silhouette, camera angle and important parts. In Aqsis, the source of truth is the scene data: you manage RIB statements, shader compilation, textures, lighting, camera settings and local render output. In RENDERCAD, use that same approved design viewport or product view to explore polished visual directions for a design review, portfolio image, concept presentation or marketing draft. It removes the need to rebuild the visual as RIB just to test an image treatment, while the underlying CAD or RIB scene remains the authority for dimensions, geometry and repeatable technical renders.
Choose Aqsis when a legacy pipeline specifically needs RenderMan-compatible RIB input, programmable RSL shading or the learning value of a REYES renderer. It is a command-line-oriented toolchain, so a practical render depends on correctly preparing scene files, assets, search paths, display settings and output before rendering. That can be appropriate for maintaining existing assets or studying the workflow, but it is not a simple substitute for a modern DCC integration or a current production renderer.
RENDERCAD addresses the adjacent presentation task rather than replacing Aqsis. Start with a clean CAD viewport, design screenshot or existing Aqsis output where the desired form and perspective are already visible. Generate visual alternatives to communicate materials, atmosphere and product context, then select the image that supports a client deck, design iteration or early architectural presentation. Do not use an AI image variation as evidence of exact material specifications, lighting calculations or manufacturing geometry. For an automated RENDERCAD integration, use RENDERCAD developer documentation for current implementation guidance.
Screenshot the CAD viewport you already have, render in the browser, and download a client-ready still or video without exports, plugins, or GPU setup.
Modeled by CADSharp in Onshape. Rendered with RENDERCAD.
Add | Change | or Remove referenced objects with the stroke of a brush.
RENDERCAD uses a maintained selection of image-generation models for different rendering tasks. Results can vary by model and input, so compare generated output with the source design before relying on geometry, materials, or dimensions.
| Feature | RENDERCAD | Aqsis |
|---|---|---|
| Engine | Generative AI | REYES RenderMan renderer |
| Output | Images + Video | Varies by tool |
| Resolution | HD / 4K | Varies |
| Image Speed | Image renders complete in 60 seconds. | Scene-dependent offline renders |
| Video Speed | Videos complete in 2-5 minutes. | Varies by workflow |
| Scene Set Up | No separate local scene | Varies by workflow |
| Input | Screen Snip | Varies by tool |
| Materials | 2,600+ Textures | Library varies |
| Backgrounds | 1300+ Backgrounds | Tool-dependent |
| Conditions | 40+ Effects | Tool-dependent |
| References | Up to 6 Per Render | Varies |
| Hardware | Cloud (None Required) | Legacy command-line installers and source code for Windows, macOS, and Linux |
| Install | None | Varies (web or app) |
| Cost | from $9/mo | Free open source |
Side by side, feature by feature. See how RENDERCAD's AI approach compares with Aqsis's rendering workflow.
Skip a separate local scene build. Pick a condition, material, and background while RENDERCAD handles the image-generation step. Image renders complete in 60 seconds.
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RENDERCAD™
Use the browser workflow directly, capture a selected view with the desktop app, or start from the browser extension.
Get StartedCommon questions about RENDERCAD vs Aqsis
RENDERCAD avoids much of the scene, shader, and local-renderer setup used by traditional rendering tools. Users still need to prepare a useful source image, choose suitable options, describe the intended result, and review generated details.
RENDERCAD starts at $9/month with credits that refresh monthly - predictable costs with no upfront investment or perpetual license fees.
RENDERCAD is designed to create more polished, realistic-looking presentation images from a source view. Results vary by input and settings, and generated images should be checked against the original model before they are used to communicate exact design details.
RENDERCAD can generate a visual interpretation of a described or referenced material without requiring shader parameters. It does not guarantee physically measured or specification-accurate material behavior, so validate critical color, grain, reflectivity, and finish details against approved references.
Describe the wood species and finish you want, and provide a reference image when scale or grain direction matters. RENDERCAD can generate a wood-like visual treatment, but it does not replace model-level texture mapping or guarantee an exact, repeatable grain pattern.
With RENDERCAD, upload or snip a clear image, describe carbon fiber, and add a material reference when exact visual direction matters. Image renders complete in 60 seconds.
Yes. Request a golden-hour look and describe the mood or direction you want. The generated warmth, shadows, and light direction can vary between results, so compare important design details with the source image.
Describe an environment such as a sunny forest or urban street and use a reference image when needed. Image renders complete in 60 seconds without building a local scene file or environment map.
RENDERCAD's Create Video workflow generates a video from a single image and provides Camera and Product Motion controls. Videos complete in 2-5 minutes.
RENDERCAD can generate orbit-style motion from a single image using a Camera option. Because the motion is inferred rather than rendered from a complete 3D model, review geometry and hidden-side details before publishing the result.
Usually. Generation runs in the cloud, so it does not occupy a local renderer. Keep the relevant browser workflow available as required, and expect normal network and browser resource use while the job is submitted and results are loaded.
RENDERCAD processes generation in the cloud, so it does not require a dedicated local rendering GPU. You still need a supported browser and internet connection, and normal browser, upload, and download activity can use local device resources.
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