[cad-linux] iges import

awhile back some one on the list had posted a comment about Varicad's iges 
import being only 2D.  i was wondering and tested a few others.

i had a geodesic sphere that i had modeled in Catia and exported to iges.
i was using it as a test case and it also comes up in 2D in not only Varicad 
but Rhino3D(Wine) also.  i'd tested rhino before and can export 3D geometry 
to iges and get a 3D model back.  the same is also true of the iges 
translator for catia.  i think at least part of the problem is 
incompatabliities between iges versions/translators.

just ramblings

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