Track Awesome Build123d Updates Daily
A curated list of Build123d code and resources.
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Feb 26, 2026
Quick Start
- jdegenstein/build123d-portable (⭐3) - A cross-platform portable build123d installation with bundled VSCode, OCP CAD Viewer, and python bundled together. Provides a quick download, unzip, and run experience -- releases page (⭐3).
- jojain/build123d-sandbox (⭐14) - Interactive CAD Design in the Browser - A powerful web-based sandbox for creating 3D models using Python and build123d, powered by pyodide and WebAssembly. Runs fully in your browser. Visit the live application here.
Editors and IDEs
- bernhard-42/Jupyter-CadQuery (⭐392) - View build123d objects in JupyterLab or in a standalone viewer for any IDE.
- bernhard-42/vscode-ocp-cad-viewer (⭐280) - OCP VSCode CAD Viewer for OCP based Code-CAD (CadQuery, build123d) integrated into VS Code.
- yeicor-3d/yet-another-cad-viewer (⭐102) - A web-based CAD viewer for OCP models (CadQuery/build123d) that supports static site deployment. It also has a build123d playground for editing and sharing models directly in the browser (demo)
Part Libraries and Part Generators
- Ruudjhuu/gridfinity_build123d (⭐79) - Create gridfinity items with build123d
Jan 13, 2026
Extensions and Plugins
- bernhard-42/bd_animation (⭐22) - Animation class and tutorials for build123d
- voneiden/ocp-freecad-cam (⭐53) CAM for CadQuery and build123d by leveraging FreeCAD library. Visualizes in CQ-Editor and ocp-cad-viewer. Spiritual successor of cq-cam (⭐32)
Part Libraries and Part Generators
- experimentslabs/3d/bd_beams_and_bars - Construction beams and bars - docs
- experimentslabs/3d/bd_tube_boxes - Create boxes from old tubes - docs
- GarryBGoode/py_gearworks (⭐54) - create all kinds of gear models
- gumyr/bd_warehouse (⭐73) - Augments build123d with parametric parts - generated on demand - and extensions to the core build123d capabilities.
- keeeal/bd-vslot (⭐1) - A library of V-Slot linear rail components - docs
- PaulBone/gfthings (⭐59) - A tool to generate gridfinity compatible objects like bins, grids, base edges, and pins
Miscellaneous
- bernhard-42/tcv_screenshots (⭐3) - Headless screenshot generator for three-cad-viewer. Render 3D CAD models to PNG screenshots.
- jdegenstein/build123d-f3d-render (⭐2) - headless automatic rendering of build123d models to PNG using f3d within CI (GitHub Actions)
- Yeicor/OCP.wasm (⭐25) This project ports the low-level dependencies required for build123d to run in a browser. For a fully featured frontend, check out
Yet Another CAD Viewer(see above).
Examples and Projects using build123d
- nicola-sorace/custom-keycap-generator (⭐24) - Generate custom print-ready keycap geometries using Python and build123d
Legacy
- KiCad Packages3D Generator - Python scripts for generating 3D electrical component models in STEP and VRML. (⚠️Repo moved, no longer appears to use build123d)
Dec 11, 2025
Miscellaneous
- jdegenstein/filewatcher123d (⭐6) - A file watcher oriented towards use with build123d and ocp_vscode (standalone mode, no VSCode required)
Legacy
- BlendQuery (⭐68) - build123d integration for Blender. (⚠️Unmaintained)
Sep 08, 2025
Tutorials and Documentation
- Alternate setup with
ocp_vscode, without VSCode
Aug 05, 2025
Part Libraries and Part Generators
- larssont/capistry (⭐13) - A Python package for parametric 3D modeling of keyboard keycaps using build123d
- ndevenish/gflabel (⭐150) - Generates 3d-printable labels for gridfinity label systems
Examples and Projects using build123d
- jgraichen/someline (⭐4) - 3D printable insets for some Someline® storage boxes designed using build123d
- x0pherl/fender-bender (⭐19) - an open-source filament buffering system for multi-material 3D printers designed using build123d
Apr 30, 2025
Examples and Projects using build123d
- ginkgo/trackball (⭐29) - 3d-printable twist-to-scroll trackball using a Raspberry Pi Pico and two PMW3360 sensors designed using build123d
Sep 23, 2024
Examples and Projects using build123d
- BlueDrink9/keeb_snakeskin (⭐28) - Create a cool PCB case and travel case for split keyboards or other custom PCBs
Jul 12, 2024
Extensions and Plugins
- yeicor-3d/dl4to4ocp (⭐43) - Library that helps perform topology optimization on
your OCP (⭐157)-based CAD models (CadQuery (⭐4.6k)/build123d (⭐1.4k)/...) using the dl4to (⭐122) library.
Tutorials and Documentation