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Top 12 Python Cadquery Projects
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Project mention: We are shutting down the Ondsel FreeCAD business | news.ycombinator.com | 2024-11-18
OpenSCAD is my go-to. It's self-contained and AI coding tools know the syntax well enough to help you move fast. Unfortunately I keep hitting a complexity ceiling.
If it doesn't like how I'm describing something, it crashes. I have to load an older version of my .scad and try a new approach. This usually happens 70% of the way into a complex project, which is quite discouraging.
The Python ecosystem has CadQuery[0] and a few other tools built around the Open Cascade kernel[1] which is quite good in my limited experience. CadQuery is positioned as an OpenSCAD alternative [2], and I really want it to be. Unfortunately the user experience isn't there yet.
Making an object with CadQuery is writing a Python program. Which means you need a Python environment and dev setup. CQ-editor [3] is nice, but needs a Python environment first. I think CadQuery would be much more viable OpenSCAD alternative if it was packaged into a standalone CQ-editor application and published via homebrew, etc.
I'm also interest in Zoo [4](fka KittyCAD). They're trying to create a modelling tool that combines model-by-code and model-by-mouse. With some AI layered on top. They have an interesting architecture where they stream geometry to your local device from the cloud. Should be great for performance, but ties you to the cloud.
[0] https://github.com/CadQuery/cadquery
[1] https://en.wikipedia.org/wiki/Open_Cascade_Technology
[2] https://cadquery.readthedocs.io/en/latest/intro.html#why-cad...
[3] https://github.com/CadQuery/CQ-editor
[4] https://zoo.dev/
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partcad
Package manager for things. Start designing modular hardware! PartCAD is the standard for documenting manufacturable physical products (a.k.a. Digital Thread or TDP). It comes with a set of tools to maintain product information and to facilitate efficient and effective workflows at all product lifecycle phases, boosted by AI.
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Project mention: 3D CAD from Images, Text, and Point Clouds with RLVR | news.ycombinator.com | 2025-06-02
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cq-cam
CQ-CAM aims to become a free, parametric CAM solution for 3-axis CNC mills closely integrating with CadQuery.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Python Cadquery discussion
Python Cadquery related posts
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Build123d: A Python CAD programming library
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Text to CAD?
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Build123d: A Python CAD programming library
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CadQuery Editor – a program for building parametric 3D CAD models using Python
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Walkway Terraib
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What are your thoughts on build123d?
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Is geopandas right for this use case or should I be looking at something else? Looking to create, manipulate, and measure closed polylines with arc segments across a shared geometric space.
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A note from our sponsor - InfluxDB
www.influxdata.com | 1 Sep 2025
Index
What are some of the best open-source Cadquery projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | CQ-editor | 957 |
| 2 | build123d | 946 |
| 3 | partcad | 380 |
| 4 | jupyter-cadquery | 361 |
| 5 | curated-code-cad | 285 |
| 6 | cqMore | 59 |
| 7 | cadrille | 54 |
| 8 | ocp-freecad-cam | 44 |
| 9 | cq_keyboard_gen | 39 |
| 10 | cq-cam | 29 |
| 11 | cqterrain | 24 |
| 12 | openvmp-models | 10 |
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