This time I am looking at this reference model: https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0/SheenChair
The cloth fabric on the seat, which is a type of sheen, looks like it has a UV transform or channel issue? I am unsure of the exact issue, just guessing.
Reference image from Stellar:

Current V-Ray result:

This time I am looking at this reference model: https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0/SheenChair
The cloth fabric on the seat, which is a type of sheen, looks like it has a UV transform or channel issue? I am unsure of the exact issue, just guessing.
Reference image from Stellar:

Current V-Ray result:
