I've been tapering off maintenance since 2016 or so, but it has a more actively-maintained fork over at https://github.com/nsfm/stibium (albeit with heavy LLM assistance, because it's 2026!)
YMMV – I haven't used it or closely inspected the changes, but have corresponded with the author, who seems genuinely dedicated in the success of the project.
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WillAdams
This probably merits noting that the whole Code CAD thing is getting pushed very hard lately with many new AI-driven projects.
I will note the following projects which have made recent advancements:
To anyone else who had to parse early KiCad file formats, where the parentheses and quoting on S-expressions was more of a guideline than a rule, I salute you.
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IshKebab
I was all ready to say how useless code-based CAD usually is (like OpenSCAD), but this actually looks pretty sick.
If you could add support for SolveSpace's 2D sketcher, and also bevels/fillets, then this might actually be useful.
This could use a (2015) label :)
I've been tapering off maintenance since 2016 or so, but it has a more actively-maintained fork over at https://github.com/nsfm/stibium (albeit with heavy LLM assistance, because it's 2026!)
YMMV – I haven't used it or closely inspected the changes, but have corresponded with the author, who seems genuinely dedicated in the success of the project.
This probably merits noting that the whole Code CAD thing is getting pushed very hard lately with many new AI-driven projects.
I will note the following projects which have made recent advancements:
- OpenSCAD --- the hopefully final Release Candidate for the long-awaited update is now available: https://openscad.org/downloads.html#rc
- PythonSCAD --- for folks who want variables which change and so forth: https://www.pythonscad.org/
- CADquery --- https://cadquery.github.io/
- Build123D --- https://github.com/gumyr/build123d
Longer list/discussion at: https://github.com/Irev-Dev/curated-code-cad
Also, a more recent project by Matt Keeter, Halfspace was announced recently but didn't get much discussion here:
https://news.ycombinator.com/item?id=49881890
To anyone else who had to parse early KiCad file formats, where the parentheses and quoting on S-expressions was more of a guideline than a rule, I salute you.
I was all ready to say how useless code-based CAD usually is (like OpenSCAD), but this actually looks pretty sick.
If you could add support for SolveSpace's 2D sketcher, and also bevels/fillets, then this might actually be useful.