Ah, I think the reference to material pertained to the physical properties for the simulation, rather than Poser materials handling.  I see.  That's a problem with the idea of accurate simulation of the physics, I assume.  One might get away with just fudging it, to create a result which "looks right"....  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.