Best Free AI 3D Model Generator for Text to 3D, 100% free
Looking for free AI tools that turn text prompts or images into 3D models you can download and use in Blender, Unity, 3D printing workflows, or web apps? This guide covers web-based tools (no install, no signup) and open-source/self-hosted options you can run locally on Windows 11. Most outputs include GLB/OBJ/STL, perfect for creative or dev projects.
🧠 Web-Based Free AI 3D Generators (No Install)
Instant online tools — generate 3D models in your browser with no sign-ups and often no limits.
| Tool | Input Types | Key Features | Limits | Link |
|---|---|---|---|---|
| AI3DGen | Image → 3D | Free OBJ/STL/GLB export | Basic fidelity | https://www.ai3dgen.com |
| 3D AI Maker | Text/Image | Textured GLB/STL, Blender/Unity friendly | Free forever | https://www.3daimaker.com |
| Canva AI 3D | Text → 3D | Photorealistic 3D with free Canva | Unlimited with free Canva | https://www.canva.com/ai-3d-model-generator/ |
| Vondy 3D | Image → 3D | Unlimited STL/OBJ downloads | No daily limits | https://www.vondy.com/3d-model-ai-generator-free–931GCOlX |
| Sketchfab AI (Web Demo) | Text/Image → 3D preview | Community models + AI tools | Exports limited to some formats | https://sketchfab.com |
| Magic3D Lite (Web Demo) | Text → 3D | Fast rough models | Lower detail than pro | (search Magic3D web demo) |
| DeepAI 3D Convert | Image → 3D | Simple mesh output | Simple results | https://deepai.org/machine-learning-model/3d-from-image |
🛠️ Open-Source / Self-Hosted 3D AI Tools
Clone these from GitHub and run locally on Windows 11 (Python/Node.js). Unlimited generation, full control, export formats supported by Blender.
⭐ Text & Image → 3D Projects
| Project | Input | Notes | Website links |
|---|---|---|---|
| 302.AI 3D Modeling | Text/Image | Deploy your own server, multi-language support | |
| Microsoft TRELLIS 3D | Text/Image | High-quality meshes & gaussian representation | github.com/microsoft/TRELLIS?utm_source=chatgpt.com |
| InstantMesh (Hugging Face Demo) | Image → Mesh | Demo available online; repo for local use | github.com/TencentARC/InstantMesh |
| U-Mesh (Open-Source) | Image → 3D | Works with Blender pipelines | https://github.com/SUDO-AI-3D/zero123plus |
| ZeroCollada 3D | Text → 3D | Community-driven, free download | github.com/SUDO-AI-3D/zero123plus |
| Open3DLigHT (GitHub) | Image/Text | Mesh refinement + export | github.com/nv-tlabs/LLaMA-Mesh |
Tip: Many open-source options provide a browser demo so you can try quality before cloning.
⚙️ How to Use These Tools
🧑💻 Web-Based
- Open the link.
- Upload an image or enter a prompt.
- Generate and download GLB/OBJ/STL.
- Import into Blender or other apps.
🏠 Open-Source (Local)
- Clone the GitHub repo.
- Install dependencies (
pip,npm, CUDA if GPU). - Run locally and use via browser UI.
- Export models as GLB/OBJ/STL.
Local self-hosted options are perfect for unlimited generation and integrating into workflows without daily caps.
📌 Best Use Cases
| Need | Best Tools |
|---|---|
| Quick browser models | AI3DGen, Vondy 3D, 3D AI Maker |
| High-resolution assets | Microsoft TRELLIS (self-host) |
| 3D printing (STL) | Vondy 3D, 3D AI Maker |
| Game assets (GLB/OBJ) | Canva AI 3D, AI3DGen |
| Self-host unlimited | 302.AI, Open3DLigHT |
🧩 Tips for Better Results
✅ Use simple, descriptive prompts
✅ Start with reference images for image→3D generators
✅ Refine in Blender (remesh, decimate, UV unwrap)
✅ Export to Unity/Unreal with textures
📥 Summary
Whether you want instant web-based AI 3D model creation or full local control with open-source tools, this list helps you create downloadable, usable 3D assets for free — ideal for developers, designers, and makers.
Best Starting Picks:
✔ Vondy 3D (unlimited web)
✔ 3D AI Maker (text & image)
✔ Microsoft TRELLIS (high-quality self-host)
✔ InstantMesh (easy demo + local use)
