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Rhino 7 - UE 4.27 : Frustrating problems with mapping of edge softened meshes

Hello,

I struggle with this topic since forever, I hope this time you’re close to solve this problem and leave it in the past.

I can’t export correctly UV unwrapped Breps with Edge Softening.
I can’t rely on extracting render meshes out of geometries and exporting them because every change means new meshes and losing the connection between UE4 and Rhino objects.

Rhino file:
RH 7 Datasmith mapping soft edges.3dm (2.1 MB)

Please take a look at mapping - on the right side it looks how it should

These are the same meshes, but the left one has wrong UV mapping

Rhino 7: Everything looks fine