# Third-party licenses and attribution

The assets in this dataset were produced with the following open tools and
models. The dataset itself is released under CC-BY-4.0; the tools below carry
their own permissive licenses, listed for attribution.

| Tool / model | Use | License |
|---|---|---|
| TRELLIS (Microsoft) | image-to-3D reconstruction | MIT (code); outputs unrestricted |
| BiRefNet | background matting of source images | MIT |
| CoACD | convex collision decomposition | MIT |
| MuJoCo (Google DeepMind) | physics validation and simulation artifacts | Apache-2.0 |
| trimesh | mesh processing | MIT |

Source concept images were created by notjustchairs.ai.