Meshy
3D & CAD Generation
- Text/image/sketch-to-3D with auto-texturing and auto-rigging
- Blender/Unity plugins for game pipelines
- 100 free credits/month with CC BY 4.0 output
Content & Media Generation (15)
15 free AI 3D model and CAD generators and 1 more — pricing tier and real capabilities on every entry. No ads, no sponsored placement.
AllAI Image GenerationAI Video GenerationVideo Editing & RepurposingAI Music & AudioAI Voice & SpeechCopywriting & WritingPresentations & DesignAI Image Editing & EnhancementAI Logo & Brand DesignAI Content Detection & HumanizersTranslation & Language AI3D & CAD GenerationAI Avatars & HeadshotsAI Storytelling & Fiction
freemium
Tripo
3D & CAD Generation
- 6.5M+ creators, 100M+ models generated claimed traction
- Auto-rigging, segmentation and stylization
- Plugins for Blender, Unity, Unreal, ComfyUI, Godot
Rodin (Hyper3D)
3D & CAD Generation
- ControlNet-style guidance via bounding boxes, voxels, point clouds
- Part-level editing and region refinement of generated meshes
- Exports GLB, FBX, OBJ, STL, USDZ
Sloyd
3D & CAD Generation
- Guest plan: 1 free AI 3D generation daily, in-browser
- Parametric/template-based generation, not just diffusion
- Skybox, retexturing and video-to-motion on paid tiers
Zoo (KittyCAD)
3D & CAD Generation
- Zookeeper: conversational AI agent that edits real parametric B-rep CAD geometry, not meshes
- Manufacturing-aware design feedback
- ITAR-compliant, SOC 2 Type II enterprise CAD
Polycam
3D & CAD Generation
- LiDAR + photogrammetry reality capture on iOS/Android, not generative-only
- Gaussian splat and floor-plan generation
- Free AI 3D model generator, texture generator, and viewer tools
World Labs Marble
3D & CAD Generation
- Generates fully navigable 3D worlds (not single objects) as Gaussian splats, viewable in VR
- World API (Jan 2026) for programmatic world embedding in apps
- Free tier: 4 world generations/month, no credit card
TRELLIS (Microsoft)
3D & CAD Generation
- Open-weight model outputting radiance fields, 3D Gaussians AND meshes from one representation
- Up to 2B parameters, trained on 500K 3D asset dataset
- MIT-licensed, deployable locally or on Azure
Hunyuan3D-2 (Tencent)
3D & CAD Generation
- Open-weight two-stage shape generation + high-res texture synthesis pipeline
- State-of-the-art open 3D generation from Tencent Hunyuan lab
- Runs locally via Diffusers/ComfyUI integrations
- One-click conversion of a JPG or PNG (under 10MB) into a downloadable GLB 3D model
- Works best on inanimate objects with plain backgrounds
- Output usable in games, AR/VR and 3D printing pipelines
- Free with a Microsoft account
- Text, image, multi-view and sketch to 3D with auto retopology
- 20 free generations per day for individuals
- Exports OBJ and GLB for Unity, Unreal and Blender
- Studio pipeline adds UVs, texturing and rigging
- 4B-parameter MIT-licensed image-to-3D model producing PBR textured assets
- Up to 1536^3 resolution; handles open surfaces via O-Voxel representation
- Free weights and code
- Open-source web app turning natural-language descriptions into parametric OpenSCAD models
- Runs in the browser via WebAssembly; interactive 3D preview and export
- Adjustable parameters after generation; GPLv3 code
- Apache-2.0 two-stage geometry plus texture generator (1.3B and 3.5B models) for textured 3D assets
- Released with training code and an 800K curated asset dataset
- Free Hugging Face Spaces demo
- Generates explorable 3D worlds from text or image via 360 panorama then layered meshes
- Exports meshes for game engines and graphics tools; quantized lite version for consumer GPUs
- Free open-source with HTML 3D viewer
3D & CAD Generation — straight answers
What are the best free AI 3D model and CAD generators?
Flocci AI Tools lists 16 AI 3D model and CAD generators, ordered free tiers first: CADAM (Adam), Copilot 3D, Hunyuan3D-2 (Tencent), HunyuanWorld 1.0 and Step1X-3D. 15 of the 16 are free or have a free tier. Every entry states what it uniquely does, not a score.
Are there completely free AI 3D model and CAD generators?
Yes — 7 of these are marked fully free with no paid plan attached: CADAM (Adam), Copilot 3D, Hunyuan3D-2 (Tencent), HunyuanWorld 1.0 and Step1X-3D. The rest are freemium, trial or paid, and each row states which.
What should I look for in AI 3D model and CAD generators?
Start with what you need to do: turn a prompt or photo into a usable 3D asset. Then check the pricing tier, because "free" here means no paid plan at all while "freemium" means a free tier under paid plans. Every tool on this page lists both.
See the full list →Head-to-head comparisons
CADAM (Adam) vs Copilot 3DCADAM (Adam) vs Hunyuan3D-2 (Tencent)CADAM (Adam) vs HunyuanWorld 1.0CADAM (Adam) vs Step1X-3DCADAM (Adam) vs TRELLIS (Microsoft)Copilot 3D vs Hunyuan3D-2 (Tencent)Copilot 3D vs HunyuanWorld 1.0Copilot 3D vs Step1X-3D
Free alternatives
Meshy alternativesTripo alternativesRodin (Hyper3D) alternativesSloyd alternativesZoo (KittyCAD) alternativesPolycam alternativesWorld Labs Marble alternativesTRELLIS (Microsoft) alternatives
Looking for a ranked shortlist instead? See the best free AI 3D model and CAD generators.