T-Spline to Nurbs weirdness

I’m getting some weird shading on this wing after converting the T-Spline mesh to Nurbs. Anyone know what this is about?

partwing.3dm (98.5 KB)

You can get rid of it by using these mesh settings. As to why it’s happening probably has something to do with t-spines tangency handles. Maybe you didn’t run make uniform before converting it to nurbs.

Those mesh settings did not work for me. I did run make uniform several times during modeling and after and still the same.

What did work was selecting the entire mesh and hitting the remove crease button again even though I had already done that before. Go figure. :confused:

The reason for this is because of overlapping control points,

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