build123d/README.md
2025-02-14 13:43:55 -05:00

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Build123d is a python-based, parametric, [boundary representation (BREP)][BREP] modeling framework for 2D and 3D CAD. It's built on the [Open Cascade] geometric kernel and allows for the creation of complex models using a simple and intuitive python syntax. Build123d can be used to create models for 3D printing, CNC machining, laser cutting, and other manufacturing processes. Models can be exported to a wide variety of popular CAD tools such as [FreeCAD] and SolidWorks.
Build123d could be considered as an evolution of [CadQuery] where the somewhat restrictive Fluent API (method chaining) is replaced with stateful context managers - e.g. `with` blocks - thus enabling the full python toolbox: for loops, references to objects, object sorting and filtering, etc.
The documentation for **build123d** can be found at [readthedocs](https://build123d.readthedocs.io/en/latest/index.html).
There is a [***Discord***](https://discord.com/invite/Bj9AQPsCfx) server (shared with [CadQuery]) where you can ask for help in the build123d channel.
The recommended method for most users to install **build123d** is:
```
pip install build123d
```
To get the latest non-released version of **build123d** one can install from GitHub using one of the following two commands:
Linux/MacOS:
```
python3 -m pip install git+https://github.com/gumyr/build123d
```
Windows:
```
python -m pip install git+https://github.com/gumyr/build123d
```
If you receive errors about conflicting dependencies, you can retry the installation after having upgraded pip to the latest version with the following command:
```
python3 -m pip install --upgrade pip
```
Development install:
```
git clone https://github.com/gumyr/build123d.git
cd build123d
python3 -m pip install -e .
```
Further installation instructions are available (e.g. Poetry) see the [installation section on readthedocs](https://build123d.readthedocs.io/en/latest/installation.html).
[BREP]: https://en.wikipedia.org/wiki/Boundary_representation
[CadQuery]: https://cadquery.readthedocs.io/en/latest/index.html
[FreeCAD]: https://www.freecad.org/
[Open Cascade]: https://dev.opencascade.org/