Also, as Ghost of Macbeth said, TRANSPARENCY. Like if you wanted to do a net shirt. You could do that with a clever texture applied to your character, true. But if you suddenly wanted it to be a black person instead of a white? You'd have to redo the body texture. As a transmapped suit it stays the same. And it DOES look more like cloth than a bodypaint will ever do.

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.