Hi Alex,

> Is there no other way to correct the orientation to go from MOI>SW?

Does SolidWorks have a .3dm importer?

Currently there isn't any export equivalent of the [NURBS Import] RotateYUpToZUp=y , but I will see about adding it for the next v4 beta. There are other improvements to STEP/IGES/SAT format handling also coming for the next v4 beta as well.

- Michael