Hi Brian,
> (And I was able to repeat the problem, in another working file,
> with both iges and 3dm but, in all tries, obj was fine.) See next.
Right - when you export iges or 3dm, it means that you are relying on Carrara to do the conversion from NURBS to a polygon mesh.
When you export .obj, you are using MoI to do the conversion from NURBS to a polygon mesh.
When you are using the iges or 3dm route and relying on Carrara to the meshing, if something does not come through and cannot be displayed as shaded, it likely means that Carrara has run into a problem in the mesh conversion process, which is not a simple process and takes a lot of effort to make more robust.
What did the Carrara programmers say to you when you sent the iges and 3dm files in to them as a bug report?
- Michael
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