I just tested newlinecast.  I'll have to look at it more closely to see what you changed, because it was much slower than the original.  Varying nothing but which version of linecast_loop was used, the new code took 4.7 minutes for my test comparison, and the old code only took 0.7 minutes.  Which is a hyoooge slowdown.  Maybe I need to tweak my settings to compensate for some of your changes?

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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.