IIRC, the most recent Mac OS updates have killed Tk support again on that platform.  Tk functionality seems to have been problematic on Mac for awhile now.  It may finally be kaput.  :scared:  Which is kind of rotten for Poser Mac users, who lose the use of all older Poser Python GUI-driven scripts.  :sad:

BTW, I think most people have had few problems, if any, with the SR.  I didn't load it because it didn't wow me with its updates, I don't need to have any bugs fixed which the SR addresses, and some people have had trouble with it.  But others should not distrust it just because I do.  Don't be like Cage!  He's a weirdo!  :scared:

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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.