I started with a SubD surface (on the right), used the “radiate” command and converted the entire shape to Nurbs. Then I wanted to give thickness to that shape through the “Offset Srf” command but it doesn’t thicken well. Offset srf error.3dm (1.2 MB)

Avoid tangent surface corners. This is not good for offsetting. With creased corners you get a better offset result, then later blend the edges. e.g.: [image] Offset srf -creased-corners.3dm (1.6 MB)

depending on your needs- if you are shelling for a 3d print, shrinkwrap is a superhero for this process. [Rhino 8 windows- never fail shelling with Shrinkwrap (new feature!)]

This should work. Like @Gijs said the corners are the problem. I opened RH-87128 to get to the bottom of it.

Offset srf not working well

Rhino Rhino for Windows

brian (Brian Gillespie) April 30, 2025, 4:57pm 6

RH-87128 is fixed in Rhino WIP

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Offset srf not working well

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