![]() ![]() And the process of creating and editing SubD surfaces is quite a bit different too. SubD surfaces, though based on the same mathematical underpinnings as NURBS, are quite a bit different. Most, however, don’t use NURBS-they use subdivision (SubD) surfaces. There are a number of interesting tools available for doing organic shape modeling. While you could certainly find a way to model this shape with NURBS, and even get the nice G2 continuity shown here, it would definitely fall into the “pain in the neck” category: There is no standard definition for what an “organic shape” is. Probably the best definition, in the context of CAD, is that it’s a shape that’s a real pain in the neck to model using traditional methods with NURBS surfaces.
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