Create stunning photorealistic images and videos from any CAD system, real life photo, or even a quick napkin sketch.
60 SECONDS. ZERO CONFIGURATION. STUNNING RESULTS.
Houdini Karma is SideFX Houdini's physically based USD renderer for Solaris look development, lighting, and production rendering. It supports CPU rendering and XPU workflows that combine CPU resources with compatible GPU acceleration for Houdini scenes.
Houdini Karma is best when a scene already lives in Houdini Solaris and needs USD-native lighting, MaterialX shading, AOVs, motion blur, volumes, or farm-oriented final rendering. RENDERCAD is a better fit when a designer has a CAD viewport, product model screenshot, architectural view, or concept image and wants a polished render without converting the work into a Houdini USD pipeline.
Karma gives Houdini artists deep control over scene assembly, cameras, render settings, USD composition, MaterialX-oriented look development, and CPU or XPU rendering inside Solaris. That depth is valuable for VFX, procedural animation, effects-heavy shots, and technical lookdev, but it also means the user must maintain a real Houdini scene with geometry, lights, materials, cameras, and render configuration. RENDERCAD serves a lighter visualization step: upload or capture an existing CAD or design view, describe the desired result, and generate a presentation-ready image without rebuilding the scene, managing GPU compatibility, or learning Solaris. Choose Karma for production rendering from Houdini. Choose RENDERCAD for quick product, architectural, engineering, and marketing visuals from views you already have.
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.
Tired of keeping up with the latest gen AI models? RENDERCAD is powered by a proprietary ensemble of the most cutting-edge AI engines, always up to date and fine-tuned to strictly maintain your design intent.
| Feature | RENDERCAD | Houdini Karma |
|---|---|---|
| Engine | Generative AI | Physically based path tracer with CPU and XPU modes |
| Output | Images + Video | Varies by tool |
| Resolution | HD / 4K | Varies |
| Image Speed | ≈10 - 60 Seconds | Varies by USD scene complexity, samples, effects, and hardware |
| Video Speed | ≈1 - 5 Minutes | Varies by workflow |
| Scene Set Up | Zero | 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 3 Per Render | Varies |
| Hardware | Cloud (None Required) | Houdini desktop workflow on Windows, macOS, and Linux |
| Install | None | Varies (web or app) |
| Cost | from $20/mo | Included with eligible Houdini licenses; additional render licensing may apply |
Side by side, feature by feature. See how RENDERCAD's AI approach compares with Houdini Karma's rendering workflow.
Skip the setup tax. Pick the condition, material, and background with just a click while RENDERCAD handles the heavy lifting. No lighting rigs, no environment setup, no 45-minute wait; get photorealistic results in seconds.
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RENDERCAD™
We bring the tools directly to you. Overlay your system with our web app. Desktop app & browser extension are being redesigned and will be back soon.
Get StartedCommon questions about RENDERCAD vs Houdini Karma
Minimal. RENDERCAD uses natural language prompts anyone can use immediately - no technical sliders, shader graphs, or render settings to learn.
RENDERCAD starts at $20/month with credits that refresh monthly - predictable costs with no upfront investment or perpetual license fees.
For product marketing, client presentations, and concept work - yes. The Realistic engine is designed to improve lighting, materials, and presentation quality while keeping the original design recognizable.
Yes. RENDERCAD understands materials semantically - it knows what brushed aluminum should look like without you defining roughness values, IOR, or shader parameters.
RENDERCAD generates unique, non-repeating grain patterns that follow your object's form. Prompt "Oak Wood" and the engine handles scale, direction, and variation automatically.
With RENDERCAD, upload your image or snip your screen, type "Carbon Fiber" in the prompt, and the AI retextures your image realistically in 10-60 seconds. No UV mapping or texture coordinates required.
Yes. Add "Golden Hour" to your prompt and the AI handles warm color temperature, long shadows, and soft light automatically.
Prompt "Sunny Forest" or "Urban Street" and RENDERCAD generates a matching environment in 10-60 seconds. No scene file or environment map setup.
RENDERCAD creates videos from a single image in 1-2 minutes using AI. Upload a CAD screenshot, real photo, or hand drawing, select Image to Video, and choose a camera movement - no animation timeline required.
Yes. The Gentle Orbit camera setting generates subtle rotation from a single static image automatically.
Yes. RENDERCAD runs independently as a browser app or overlay, so you continue modeling while renders process in the background.
No. RENDERCAD runs on cloud GPUs, so you can render 4K images on a basic laptop or even a Chromebook. Your computer never slows down.
Trusted by Architects, Product Designers, and Engineering Teams