*"Wanting to have a script written or maybe have someone explain to me how to do it.  Would like to create a script that will detect and avoid collisions with body parts (arm thru chest and such) in an animation."

*If you wanted to reposition body parts instead of adjusting vertices or polygons, collisions might be made to run decently fast using bounding boxes.  Hmm....

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.