Ondsel has developed an LGPL 3D assembly solver at https://github.com/Ondsel-Development/OndselSolver https://github.com/Ondsel-Development/OndselSolver It is b

Ondsel has developed an LGPL 3D assembly solver at https://github.com/Ondsel-Development/OndselSolver https://github.com/Ondsel-Development/OndselSolver It is being used in FreeCAD and Ondsel ES.