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FreeCAD's own main file format is FreeCAD Standard file format (.FCStd). [9] It is a standard zip file that holds files in a certain structure. [ 9 ] The Document. xml file has all geometric and parametric objects definitions. [ 9 ]
FreeCAD is a free and open-source application that can work with the DWG files by using the proprietary ODA File Converter for .dwg and .dxf files from the Open Design Alliance (ODA). [55] The ODA also provides a freeware stand-alone viewer for .dwg and .dgn files, ODA Drawings Explorer, which runs on Windows, Linux, and Mac OS X.
Pycalculix was written by Justin Black. Examples and tutorials are available on the pycalculix site. [10] FreeCAD has developed a FEM workbench that automates the creation of CalculiX models. There is a lot good examples of use of CalculiX [11] by Prof. Martin Kraska, Brandenburg University of Applied Sciences.
Runtime parsed mathematical expression in input files Fully scriptable in as m-file Matlab scripts and the GUI supports exporting models in script format automatic differentiation: Yes Yes Yes Forward-mode for Jacobian computation, symbolic differentiation capabilities multiphysics:
3D scanning - replicating objects to 3D models to potentially 3D print; Comparison of computer-aided design software; 3D Manufacturing Format - open source file format standard developed and published by the 3MF Consortium; PLaSM - open source scripting language for solid modeling; 3D printing processes
In 2009 a license update of LibDWG/LibreDWG to the version 3 of the GNU GPL, [6] made it impossible for the free software projects LibreCAD and FreeCAD to use LibreDWG legally. [ 5 ] Many projects voiced their unhappiness about the GPLv3 license selection for LibreDWG, such as FreeCAD , LibreCAD , Assimp , and Blender . [ 7 ]
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Use of compression is transparent to the user of the JT data, and a given model may be composed of JT files using different compression settings (including none). To date, the JT file format has evolved through two forms of compression, exposed in JT Open Toolkit as standard and advanced compression.