A2plus in FreeCAD | Constraints final part

A2plus in FreeCAD | Constraints final part
In this is final part you can learn
Axis on Plane angle
Plane Parallel
Plane on Plane
Plane Angular
Coincidence at Center of Mass

How to install A2 plus in freeCAD
https://youtu.be/cyPlEffPjxU

Here Site For A2 Plus addons
https://github.com/FreeCAD/FreeCAD-addons

FreeCAD is a free and open-source general-purpose parametric 3D computer-aided design modeler
and a building information modeling software with finite element method support.

Downloads FreeCAD software from this site
https://www.freecadweb.org/downloads.php