[Enhancement] Blender interoperability(4.1 or later)

[syoyo]

• Blender version

  • 4.1(supports usdSkel on export) https://www.blender.org/download/releases/4-1/
  • For extra USD features, use experimental build branch https://builder.blender.org/download/experimental/
  • https://docs.omniverse.nvidia.com/connect/latest/blender/release-notes.html

• [ ] Mesh

  • [x] Polygon GeomMesh
  • [ ] Subdivision
  • [x] GeomSubset(per-face material)

• [ ] Usd Previewsurface

  • [x] Support float3 attribute https://github.com/PixarAnimationStudios/OpenUSD/issues/2729

• [ ] usdSkel, animation

  • [ ] rigs(vertex skinning)
  • [ ] BlendShape

• [ ] Hair(curves)

  • https://projects.blender.org/blender/blender/issues/102376

• [ ] MaterialX?

[syoyo]

Some test scenes are managed in the separate repo https://github.com/syoyo/blender-usdz-test-scenes

[syoyo]

MaterialX export will be supported in Blender 4.2 https://developer.blender.org/docs/release_notes/4.2/pipeline_assets_io/