Funny thing!
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 From:  FelixPQ (FELIX)
4775.9 In reply to 4775.7 
Michael,

thanks for the explanation about internal data and saved data. I guess we must avoid self intersecting part at all cost if we don't want to get into trouble.

Thanks,
Felix
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 From:  Michael Gibson
4775.10 In reply to 4775.9 
Hi Felix, you can actually make a self-intersecting object if you only want to make a render mesh for it, but yeah they need to be avoided if you want to do things that will involve surface/surface intersection calculations with the object such as booleans.

This is certainly a tricky shape to try and make without self-intersection though.

I think you'll have to stop the main sweep something around here:



And then make the rest of it with just the outside half portion of the profile, something like this:




Or maybe you could try only doing a half profile (the outer half) along the entire sweep length and then an inner profile that stops before it folds in on itself, and then do a blend between them to connect them up.

- Michael

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