You are correct in that OpenCASCADE is less refined than parasolid, but I would argue that most people just don't need it. Practically, FreeCAD is fit for all p

You are correct in that OpenCASCADE is less refined than parasolid, but I would argue that most people just don't need it. Practically, FreeCAD is fit for all purposes, except those for which you require knowledge of what a geometric kernel even is, and then you know who you are and how to serve yourself.