Looking for a free alternative to Zoo (KittyCAD)? Here are 9 3d & cad generation worth trying — 9 with a free tier. Zoo (KittyCAD) itself is free tier + paid.
| Tool | Zoo (KittyCAD) (you searched) | TRELLIS (Microsoft) | Hunyuan3D-2 (Tencent) | Meshy |
|---|---|---|---|---|
| Pricing | freemium | free | free | freemium |
| Best for | Zookeeper: conversational AI agent that edits real parametric B-rep CAD geometry, not meshes | Open-weight model outputting radiance fields, 3D Gaussians AND meshes from one representation | Open-weight two-stage shape generation + high-res texture synthesis pipeline | Text/image/sketch-to-3D with auto-texturing and auto-rigging |
| Visit | Open ↗ | Open ↗ | Open ↗ | Open ↗ |
TRELLIS (Microsoft) is the closest free alternative to Zoo (KittyCAD): same 3D & CAD Generation sub-category, and it is free. Open-weight model outputting radiance fields, 3D Gaussians AND meshes from one representation
Yes — 9 of the 9 alternatives listed here are free or freemium: TRELLIS (Microsoft), Hunyuan3D-2 (Tencent), Meshy, Tripo, Rodin (Hyper3D). None of them are paid-only.
Zoo (KittyCAD) is free tier + paid. There is a free tier you can work in, with paid plans above it.
They are the other tools in 3D & CAD Generation, then the rest of Content & Media Generation, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.
✦ WhyA Zoo (KittyCAD) alternative — Open-weight model outputting radiance fields, 3D Gaussians AND meshes from one representation.
✦ WhyA Zoo (KittyCAD) alternative — Open-weight two-stage shape generation + high-res texture synthesis pipeline.
✦ WhyA Zoo (KittyCAD) alternative — Text/image/sketch-to-3D with auto-texturing and auto-rigging.
✦ WhyA Zoo (KittyCAD) alternative — 6.5M+ creators, 100M+ models generated claimed traction.
✦ WhyA Zoo (KittyCAD) alternative — ControlNet-style guidance via bounding boxes, voxels, point clouds.
✦ WhyA Zoo (KittyCAD) alternative — Guest plan: 1 free AI 3D generation daily, in-browser.
✦ WhyA Zoo (KittyCAD) alternative — 3D generation inside a full web-based 3D/interactive design editor.
✦ WhyA Zoo (KittyCAD) alternative — LiDAR + photogrammetry reality capture on iOS/Android, not generative-only.
✦ WhyA Zoo (KittyCAD) alternative — Generates fully navigable 3D worlds (not single objects) as Gaussian splats, viewable in VR.