Working on the Parasolid importer of CAD Exchanger I had a new chance to observe specificities of another modeling kernel used to describe a B-Rep (Boundary Representation) model. This post highlights a few high-level differences between Parasolid, ACIS and Open CASCADE related to data models.Comparing to ACIS, Parasolid seems to use a smaller set of primitives. Of course, there are typical elementary curves...
