IMHO smoothing don't work that way. If you have an imperfection in the weightmaps, Catmull-Clark won't fix that much better than Poser's smoothing. It's just that the figure is rendered with much more polys then it was modeled with.

A ship in port is safe; but that is not what ships are built for.
Sail out to sea and do new things.
-"Amazing Grace" Hopper

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