bowl

grabcad

... here is an attempt - the problems in creating profiles from sketches (cross-section) and guiding curves tangible to design, to determine ....The problem looks harmless at first: in the design of a form by a guide curve - but unfortunately very complex errors!this means: apart from - rather indefinite errors, not correctly determined errors - cad programs give no hints on the real causes of error.This inevitably results in significant problems in order to arrive at a solution.step, igs