Development Update
Per my last post, here's what 17 extra hours of targeted work can change.
It's a cyclic process; long periods of virtually no change while you figure out what's wrong, then the breakthrough leads to rapid changes in hours.
Apparently the old MA2 models still work!
I was trying to ragebait other modelers with that last post. Yes I know better ways to polgonize a curve.
Generating an entire wall of any shape from a predefined mesh is so much nicer than trying to hard model all these details.