SOS! T-spline faceted structure!

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Permalink Reply by Hannes Löschke on November 4, 2013 at 4:26pm

Basic T-Splines: you generally try to avoid star-Points (more than 3 edges meeting). In most cases they will not be smooth. If you cannot avoid Stars, make sure the meeting edges are on the same plane.

Actually in this case, you can eliminate the star point and have a ring of T-Points around a planar n-gon. This will cause a smooth Transition.