Inside side above after the unroll


Hello, How to be sure to have the inner face on the top and that all the faces present the inner face up. there is often a face on the wrong side (for the unfollow of cushions with a top, a bottom and four sides).
UNROLL ET NESTING OK COUSSINS.gh (19.8 KB)

I’m groping but I can’t find. If anyone has an idea.

Thank you.

I would make sure, that all surfaces have the same surface normal

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How to do that with Grasshopper? I don’t know?

It will be hard to help, if you dont provide (internalized) gh files, screenshots, precise description etc.