one of our customers has a nice modelling challenge : model this bellow made of a textile material (like leather) in a way that it can be represented in folded/unfolded positions and such that it can be flattened just like a sheetmetal part. See the pictures :
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reached this point :
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but cannot unfold the thing, I think because the faces aren't really flat... Any better idea on how to do it ? Thanks! Philippe Guglielmetti
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