"Without any shading" means flat gray?
Then it could be missing textures, if all the colors are driven by textures.
Can you post a detailed Arnold log? See the
Just to make sure I understand:
- There is one geometry object, with three shaders applied to different parts of that object.
- The shapes and shaders are exported to an ASS file (or ABC or USD?)
- A procedural loads the exported file.
// Stephen Blair
// Arnold Renderer Support