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Free Cad
FreeCAD is a free, open source multiplatform 3D parametric modeler for CAD and engineering work.
About Free Cad
FreeCAD is an open-source parametric 3D modeler for designing real-life objects of any size. Designs can be modified by changing parameters in the model history.
It allows sketching constrained 2D shapes to build 3D objects, adjusting dimensions, and creating production drawings from 3D models. It runs on Windows, macOS and Linux and offers a Python API, with stable and weekly development releases available.
Key features
- Parametric modeling via editable model history parameters
- Sketch geometry-constrained 2D shapes as base for 3D objects
- Adjust dimensions and create production drawings from 3D models
- Runs on Windows, macOS and Linux
- Broad Python API for scripting and customization
- Precompiled stable packages and weekly development releases available
Best for: Hobbyists, programmers, students, teachers and experienced CAD users working on product design, mechanical engineering or architecture.
Good for
- Open-source code under LGPL-2.1 license
- Runs on Windows, macOS and Linux
- Combines constrained 2D sketching with parametric 3D modeling
Free Cad at a glance
- Website
- github.com/FreeCAD/FreeCAD
- Category
- Design & Creative › 3D, CAD & Motion
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Free Cad FAQ
How do I install FreeCAD?
Precompiled stable packages for Windows, macOS and Linux are on the latest releases page, with weekly development releases also listed. On most Linux distributions it can also be installed from the software center application.
What underlying technology does FreeCAD use?
OpenCASCADE geometry kernel, Coin3D scene representation model, Python API, and Qt graphical user interface.
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