I'm not sure if I'm the last person to know about this, lol:
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So basically if I have several items of clothing (bra, underwear, stockings, whatever) and add a translucent/revealing dress over it that is supposed to show parts of all the underlying items, I also get a ton of collision issues/pokethrough.
Because, DAZ can only theoretically have one collision target, and its usually the figure.
But this script combines items into a new 'fake' target with all the surfaces from the other piece copied(I think?), and then you set this combined item as the collision target. I just tried it with a few things, and it seems to work!
What is odd (to me) is that this was buried on ShareCG, and is free. Surely someone has tried to make money off of this idea on the Daz Store or Renderosity or something? Or is there some major issue with the idea in practice, hence it being buried on ShareCG, and free?
I have seen (maybe here!) this trick described as a way to get around the one collision target limit, but never as a one-click solution, as this script seems to do. Anyways, let me know if it works for your situation, or if you have a better solution.
edit: well, it worked with a higher smoothing iteration, but I tried a DForce simulation and it is exploding right now, lol.