TripoSR
Single-image to 3D mesh in under a second on a 4090.
Open Source 6–8 GB VRAM
- Min VRAM
- 6 GB
- GPU class
- Entry GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
Hunyuan3D-2
Tencent's open 3D generator — multi-view, PBR, ready-to-use meshes.
Open Source 12–16 GB VRAMRuns locally
Actually FreeOpen SourceWatermark-FreeAPI
Visit Hunyuan3D-2Updated 2026-04-12 · Direct link
Hardware requirements
Runs locally · High-end GPU (16–24 GB)
Min VRAM
12 GB
Rec. VRAM
16 GB
Min RAM
16 GB
Rec. RAM
32 GB
Disk
20 GB
GPU class
High-end GPU
12.1+No Apple SiliconGPU RequiredQuant: FP16, BF16
Full pipeline (geo + texture) needs ~16 GB.
Screenshot placeholder · Hunyuan3D-2
What is Hunyuan3D-2?
Tencent's Hunyuan3D-2 is the most capable open-weight 3D generator at release. Single-image and multi-view inputs, PBR texture generation, output meshes that are actually usable in DCC tools without major cleanup. Tencent license is non-commercial above a revenue cap; check carefully.
Pros & cons
Pros
- Highest-quality open 3D model at launch
- Generates PBR textures, not just geometry
- Multi-view conditioning supported
Cons
- Tencent license has revenue clauses
- Heavier than TripoSR — 16 GB+ GPU recommended
What's actually free?
Tencent Hunyuan License — free below $1M ARR.
✓ Actually FreeOpen SourceWatermark-Free
Alternatives
TRELLIS
Microsoft Research's structured 3D representation model.
Open Source 16–24 GB VRAM
- Min VRAM
- 16 GB
- GPU class
- High-end GPU
- Quant
- FP16
Actually FreeNo SignupOpen SourceWatermark-Free
Stable Zero123
Novel-view synthesis — generate any angle from a single image.
Open Source 6–8 GB VRAM
- Min VRAM
- 6 GB
- GPU class
- Entry GPU
- Quant
- FP16
Actually FreeOpen SourceWatermark-FreeHobbyist-Friendly