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gumyr/build123d

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A python CAD programming library

23 mentions on Hacker News by 16 people: 5 stories, 18 comments · first 2023-06-16 · latest 2026-03-31

Mentions per year 23 mentions · busiest year 2025 (7)
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  1. I just ran into this today: https://github.com/gumyr/build123d - seems like an LLM should have no problem writing python code...
    comment by markcheno · 2026-03-31 · in Open source CAD in the browser (Solvespace)
  2. ▲ 153
    Build123d: A Python CAD programming library
    story by Ivoah · 2026-03-29 · 64 comments
  3. …source 3D CAD tools: Code-based - CadQuery - https://github.com/CadQuery/cadquery/ - build123d - https://github.com/gumyr/build123d - OpenSCAD - https://openscad.cloud/openscad/ GUI (browser-based) - Cadmium (abandoned, cool idea) -…
    comment by Evidlo · 2026-03-23 · in Dune3d: A parametric 3D CAD application
  4. I'm pretty happy with build123d these days https://github.com/gumyr/build123d
    comment by CraigJPerry · 2026-02-20 · in FreeCAD
  5. ▲ 4
    Build123d is a Python-based parametric BREP modeling framework for 2D and 3D CAD
    story by jazzyjackson · 2026-01-03 · 0 comments
  6. …and code based CAD modelling. I'd love to understand your point of view, and learn more. [0] - https://github.com/gumyr/build123d [1] - https://github.com/CadQuery/cadquery
    comment by vhanda · 2025-12-20 · in OpenSCAD is kinda neat
  7. worth also looking at cadquery, build123d and similar https://github.com/gumyr/build123d
    comment by yehoshuapw · 2025-12-20 · in OpenSCAD is kinda neat
  8. …inherent in any single tool -- and in this case, those limitations are quite significant. [1]: https://github.com/gumyr/build123d and docs https://build123d.readthedocs.io/en/latest/
    comment by Cargo4286 · 2025-10-03 · in Blender 4.5 LTS
  9. …want to consider (Open)PythonSCAD If you know python then build123d(/cadquery) are also options: https://github.com/gumyr/build123d
    comment by zokier · 2025-07-28 · in Drafting Software Recommendation
  10. ▲ 4
    Build123d: A Python CAD programming library
    story by fanf2 · 2025-05-30 · 0 comments
  11. also have a look at https://github.com/CadQuery/cadquery (and https://github.com/gumyr/build123d ) python, but more pythonic then openscad
    comment by yehoshuapw · 2025-05-05 · in Design for 3D-Printing
  12. There is build123d too https://github.com/gumyr/build123d
    comment by zokier · 2025-01-09 · in Fidget
  13. Also see https://github.com/gumyr/build123d (which is closely related to CadQuery, my understanding is it's successor). I used b123d for a project this year and it turned out perfect. When I need to make a change, editing some version…
    comment by jakeogh · 2024-12-16 · in CADing and 3D printing like a software engineer
  14. …There are a few nice IDEs for it and to make it simple: It's python based code-based CAD. [1] https://github.com/gumyr/build123d
    comment by DogRunner · 2024-06-03 · in Generate an OpenSCAD case template from a KiCAD PCB
  15. …used build123d to make a few parts recently, and it's a joy to use once you get the hang of it: https://github.com/gumyr/build123d https://github.com/gumyr/bd_warehouse
    comment by jakeogh · 2024-05-21 · in Ask HN: How does modern FreeCAD compare with Solidworks?
  16. …the initial learning curve. The users and devs hang out on the slack chan and are very helpful. https://github.com/gumyr/build123d
    comment by jakeogh · 2024-02-24 · in Text to CAD?
  17. …naming problem: being corrected in the core distribution at the moment as they head to 1.0 [1] https://github.com/gumyr/build123d
    comment by bemusedthrow75 · 2024-02-22 · in GIMP 2.99.18: The last development preview before 3.0
  18. …cadquery and thus also jupyter-cadquery now have support for build123d. gumyr/build123d https://github.com/gumyr/build123d : > Build123d is a python-based, parametric, boundary representation (BREP) modeling framework for 2D and 3D CAD.…
    comment by westurner · 2023-10-20 · in Text-to-CAD: Risks and Opportunities
  19. …Is there a blenderGPT-like tool trained on build123d Python models? examples/heat_exchanger.py: https://github.com/gumyr/build123d/blob/dev/examples/heat_ex...
    comment by westurner · 2023-09-19 · in Build123d: A Python CAD programming library
  20. ▲ 2
    Build123d: A Python CAD programming library
    story by fanf2 · 2023-09-19 · 1 comment
  21. …are built-in). It also seems to have VSCode integration through OCP CAD Viewer. 1. https://github.com/gumyr/build123d
    comment by Hamcha · 2023-09-14 · in 3D printing on OpenBSD? Yes, that’s a thing
  22. I just did a project in build123d, imho its drastically better than drawing in a gui. https://github.com/gumyr/build123d
    comment by jakeogh · 2023-07-01 · in Louis Rossmann: Autodesk turns lifetime licenses into subscriptions [video]
  23. ▲ 1
    Build123d: Open-Source Python Toolbox for 2D and 3D CAD Modeling
    story by 037 · 2023-06-16 · 1 comment