A free subd to NURBS solution

 From:  Metin Seven (METINSEVEN)
8667.9 
@ Stefan: Thanks for the info. I guess I'll stick to Max's subdiv tools for MoI.

@ Max / Michael: If you could build something like this for MoI, I'd gladly pay an extra sum for it — http://masterviacad.com/powerpackoverview/PowerPackPro/page36/page36.html

Here's a video:
http://www.csi-concepts.com/Demo/videos/objToSTEP.mp4

The main difference with Max's current subdiv tools is that not every quad polygon is converted into a NURBS patch, but the patches are generated based on curvature and detail level, resulting in relatively lightweight, uncluttered solids. T-Splines works that way as well.

— Metin

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