> On Oct 9, 2025, at 22:18, Leonard Martin Struttmann via Discuss <discuss@lists.openscad.org> wrote: > > Ok, thanks, everyone for the ideas. I am going to start (I'm running on MacOS) by writing a bunch of zsh scripts that generate .OBJ files and will compare them to previously generated "golden" files. > Just keep in mind that exact vertex coordinates and tessellation is hard to guarantee. This is why we compare images. ..but if you run your tests with --enable=predictible-output, things may work better. -Marius