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ImplicitCAD is an open-source, scriptable computer-aided design system built around implicit solid geometry and functional programming in Haskell. It is aimed at developers and technically minded designers who want to generate 2D and 3D models from code.
💡 Pick it for a mature, widely supported scripted CAD workflow with a gentler learning curve.
OpenSCAD is a free software application for creating solid 3D CAD models.
💡 Pick it when you want ImplicitCAD-style automation with Python and stronger engineering-format support.
CadQuery is an open-source parametric 3D CAD python library.
💡 Pick it for a complete desktop CAD suite instead of a primarily code-driven modeling library.
FreeCAD is a parametric 3D modeler made primarily to design real-life objects of any size. It is open-source and highly customizable.
build123d contributors
💡 Pick it for a modern Python-first alternative with robust parametric solid modeling.
build123d is an open-source Python-based framework for creating parametric 3D CAD models. It serves engineers, makers, and developers who want a modern...
Free, open source
OpenJSCAD contributors
💡 Pick it when browser access or JavaScript integration matters more than advanced engineering CAD features.
OpenJSCAD is an open-source, JavaScript-based solid modeling tool that runs in the browser or through command-line workflows. It is designed for web...
Free, open source
💡 Pick it for lightweight constraint-based mechanical CAD without the complexity of a full desktop suite.
SolveSpace is a parametric 2D/3D CAD software that is free and open-source.
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