[image] The opening tear would be what I drew in red as example. Is there a plugin that allows for offsetting these types of faces?

Offset from Tools on Surface which you can get from Sketchucation should do it. Make sure you aren’t leaving those faces reversed. You should be modeling with the edges displayed, too.

Maybe you can do it without any plugin. Click in sequence on the scenes tabs of this SU file for ideas. Curved opening in a curved roof.skp (333.8 KB)

How to make a curved opening in this curved roof

SketchUp

CarlosPeixoto February 23, 2026, 2:02pm 4

thanks Dave for the tip. This plugin was what I needed. Since the offset shape should follow the roof

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How to make a curved opening in this curved roof

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