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TRELLIS 2
3D objects
Free

TRELLIS 2

Generate high-fidelity, PBR-textured 3D assets from single images using Microsoft's 4B-parameter O-Voxel model. Supports complex topologies and instant mesh conversion.

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Rating
0
Reviews
0
Upvotes
3 months ago
Listed
3D Generation
Image-to-3D
PBR Textures
Game Development
3D Assets
AI Research
Open Source
Voxel Modeling
Mesh Generation
Microsoft AI
Tool information
Provider
Microsoft Research
Platforms
Web
Linux
Windows (via WSL/Docker)
Hugging Face
Languages
English
API Available
Yes
Added to directory
3 months ago
Last updated
about 1 month ago
Rating
Not available
Pricing
Free

About TRELLIS 2

What the tool does and who it's for

TRELLIS 2 is a state-of-the-art 4-billion-parameter 3D generative model developed by Microsoft Research. It specializes in high-fidelity image-to-3D generation using a novel 'field-free' sparse voxel structure known as O-Voxel and a flow-matching transformer architecture. Unlike traditional models that use signed distance fields (SDFs), TRELLIS 2 can handle complex, non-manifold geometries and open surfaces, producing detailed 3D assets with full Physically Based Rendering (PBR) materials—including transparency, roughness, and metallic properties—in under a minute.

Key capabilities

O-Voxel Representation: Uses an omni-voxel structure to encode both geometry and appearance for arbitrary topologies.
Physically Based Rendering (PBR): Generates full material maps including Base Color, Roughness, Metallic, and Opacity.
High-Resolution Output: Capable of generating assets at voxel grid resolutions up to 1536³.
Complex Geometry Handling: Effectively processes open surfaces, thin structures, and non-manifold geometry without lossy conversion.
Optimization-Free Conversion: Bidirectional conversion between meshes and O-Voxels in seconds without heavy optimization steps.
Structured Latent Space: Utilizes a Sparse 3D VAE with 16x spatial downsampling for efficient, high-fidelity generation.
Multi-Format Export: Supports industry-standard formats including GLB, OBJ, FBX, and 3D Gaussian Splats.
Instant Inference: Generates high-quality 3D models in approximately 30-60 seconds on high-end GPUs like the RTX 4090.

Pricing

Free — plans below

Open Source (MIT)

Most popular

Free

  • Full access to 4B-parameter model
  • Commercial use allowed
  • Self-host on Linux with 24GB+ VRAM
  • Unlimited generations (local)
  • Direct export to GLB/PLY

API Access (via PiAPI)

$0.10/gen

  • Cloud-based generation
  • No hardware requirements
  • Asynchronous task submission
  • PBR textured assets
  • Support for callbacks

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