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FWIW, I crashed and burned with pretty much every 3D CAD tool I tried (though I did make it through the tutorial for Dune 3D which was a first), but OpenSCAD has been quite workable, and the development of a Python-enabled version:

https://pythonscad.org/

has allowed me to extend it to do things which would be quite difficult in other tools:

https://github.com/WillAdams/gcodepreview

Have you ever tried https://openscad.org/?

OpenSCAD is very nice but if you combine it with BOSL2 you can do miracles:

https://github.com/BelfrySCAD/BOSL2

Do you by any chance have over a decade of coding and under a year of CAD? You might have forgotten how hard coding was when you had under 200 hours of experience with it.

Cad in general isn’t good at modeling spacial relationships between parts as a graph.

Open SCAD is great, but also give cadquery a shot. It's my personal favorite right now