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====================================================================== GeometryFacade is added the ability to get the construction status via static function, for convenience in situations where only the construction status is necessary and a geometry facade would not be otherwise necessary. A new type GeometryTypedFacade is added, for situations in which the specific Part::Geometry derived type is known (or is to be created). This Typed version enables to directly access the Geometry derived class without the need for casting, as well as the SketchGeometryExtension information. For example, this is possible: auto HLineF = GeometryTypedFacade<Part::GeomLineSegment>::getTypedFacade(HLine); HLine->getTypedGeometry()->setPoints(Base::Vector3d(0,0,0),Base::Vector3d(1,0,0)); If a facade is requested without passing an Part::Geometry derived object, the constructor of the indicated geometry type is called with any parameter passed as argument (emplace style): auto HLine = GeometryTypedFacade<Part::GeomLineSegment>::getTypedFacade(); HLine->getTypedGeometry()->setPoints(Base::Vector3d(0,0,0),Base::Vector3d(1,0,0)); HLine->setConstruction(true); ExternalGeo.push_back(HLine->getGeometry()); Using either GeometryFacade or GeometryTypedFacade is probably a matter of style and of the specific situation.
Your own 3D parametric modeler
Website • Documentation • Forum • Bug tracker • Git repository
This project receives generous infrastructure support from
Overview
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Freedom to build what you want FreeCAD is an open-source parametric 3D modeler made primarily to design real-life objects of any size. Parametric modeling allows you to easily modify your design by going back into your model history to change its parameters.
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Create 3D from 2D and back FreeCAD lets you to sketch geometry constrained 2D shapes and use them as a base to build other objects. It contains many components to adjust dimensions or extract design details from 3D models to create high quality production-ready drawings.
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Designed for your needs FreeCAD is designed to fit a wide range of uses including product design, mechanical engineering and architecture, whether you are a hobbyist, programmer, experienced CAD user, student or teacher.
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Cross platform FreeCAD runs on Windows, macOS and Linux operating systems.
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Underlying technology
- OpenCASCADE A powerful geometry kernel, the most important component of FreeCAD
- Coin3D library Open Inventor-compliant 3D scene representation model
- Python FreeCAD offers a broad Python API
- Qt Graphical user interface built with Qt
Installing
Precompiled (installable) packages are available for Windows and macOS on the Releases page.
On most Linux distributions, FreeCAD is directly installable from the software center application.
Other options are described at the wiki Download page.
Build Status 
| Master | 0.18 | Translation |
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Compiling
Compiling FreeCAD requires installation of several libraries and their development files such as OCCT (Open Cascade), Coin and Qt, listed in the pages below. Once this is done, FreeCAD can be compiled with CMake. On Windows, these libraries are bundled and offered by the FreeCAD team in a convenient package. On Linux, they are usually found in your distribution's repositories, and on macOS and other platforms, you will usually have to compile them yourself.
The pages below contain up-to-date build instructions:
Usage & Getting help
The FreeCAD wiki contains documentation on general FreeCAD usage, Python scripting, and development. These pages might help you get started:
The FreeCAD forum is also a great place to find help and solve specific problems you might encounter when learning to use FreeCAD.