Hi Shane, thanks for posting the example file.
It appears to be a bug in the OpenNURBS library that is used for reading 3DM files - there's a call on an ON_RevSurface() that checks whether a surface of revolution is in the shape of a sphere or not, and there seems to be a bug there where it gives back a coordinate system for the sphere with the x-axis accidentally flipped in the opposite direction. That then makes the sphere surface that MoI makes to have its seam in the wrong direction.
It looks like it should not be difficult for me to avoid doing things in that particular way and solve this bug for the next v3 release.
Thanks for reporting the bug and posting the file.
- Michael
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