SpaceClaim
SpaceClaim is an additional CAD software for 3D part creations, assemblies and 2D drawing.
SpaceClaim is a « direct » modeller as no historical list of operations or actions is preserved, only the final solid part is observable.
MW Programmations SA suggests using SpaceClaim as an additional Alphacam tool to create machine elements to integrate into the simulation. But it is also made for 3D files modelling, fixes, hole fills and much more