Adventures in Shelling

In the attached, when I shell object shown, I get a message from Rhino saying the result is not solid but the resulting shelled object appears to be solid.

If I decrease the tolerance a little, say to 1/256", then I get an open poliysrf.

Problem (801.1 KB)

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Hello- your surface has some messy areas - I’d try to make simpler surfaces where possible.


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I was curious why I’d get an error/warning that it is not solid when Rhino says it is solid.

On a related note, I did a simplification from the plans and created this:

Problem (126.4 KB)

The shelling is highly precision sensitive.

At 1/64" precision, it will shell. At 1/128" precision, Rhino creates an open polysrf.