FreeCAD

FreeCAD: Your own 3D parametric modeler

Workbenches

The fasteners workbench is fantastic, use it!

Spreadsheets is ok for parametrizing a model, but not great. Instead one can use the new variable sets.

The gears workbench is really nice:

• https://github.com/looooo/freecad.gears
• Increible resource on gears: https://qtcgears.com/tools/catalogs/PDF_Q420/Tech.pdf

Ancient notes can be found in the old FreeCAD page.

CFD

Computational fluid dynamics:

• Usar FreeCAD Version: 0.19.17331 (Git) AppImage (issue).
• https://github.com/jaheyns/CfdOF
• https://forum.freecadweb.org/viewtopic.php?t=21576
• http://www.opensim.co.za/training.html

Troubleshooting

Performance issues on hover

Problem: hovering on a face or edge will slow down FreeCAD when viewing large assemblies.

Workaround: disable "preselection" under settings.

Issue trackers:

• https://github.com/FreeCAD/FreeCAD/issues/17185
• https://forum.freecad.org/viewtopic.php?p=798720#p798720