This behaviour depends heavily on the self-collision of the fabric.
Without that, it will simply pass straight through itself.
At the moment the best way to simulate this sort of self-collision is with the ‘spherecollide’ goal.
This does an accelerated collision check between many solid spheres of the same size. By putting one of these spheres at each vertex of the fabric mesh, we can give it a thickness so different parts of the cloth don’t pass through each other.
This approach does have limitations, but depending on your application maybe is enough to get the effect you want?
fabrictwist.gh (20.8 KB)
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