I can’t build a hollow sphere doing boolean difference of two spheres!! how can i make a hollow sphere….? please help me brooooooooooooo

One option is to use non manifold merge on the interior and exterior. Another option is to create a very thin tube extending from the interior surface and through the exterior surface. Then subtract the interior with the tube from the exterior. NonmanifoldMerge | Rhino 3-D modeling Th…

What for? That determines what, if anything, you need to do.

You either combine both objects with the NonManifoldMerge command, or use the approach shown in this video: [Super hack to create hollow objects for 3d printing in Rhino]

Hollow sphere

Rhino

Lagom November 9, 2025, 1:36pm 3

There was a good discussion on “hollow” objects just recently.

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Hollow sphere

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