I’m not able to generate a proper UV mesh from closed lofted fillet polygons.
The UV mesh is not proper at the surface seams (see image) while it appears proper in Rhino.
Workflow: generated loft in GH (see attached), export as MotionBuilder FBX (see attached), imported in Substance Painter.
I have tried for a few days now every option I could think of including explode poly, divide curve, etc. before loft, played with the mesh export parameters - all with the same results.
Looked at https://wiki.mcneel.com/rhino/meshfaq - nothing solved the problem