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There are various CAD challenges out there that come with bragging rights. Some, like the Certified Solid Works Professional Exam (CWSP) might actually look good on a resume. [Deltahedra] is ...

These elements on the Rectangle tool start with the same color as the current geometry mode: normal (white) or construction (blue). However, if I change the geometry mode (normal/construction) when ...

While trying to design cockpit canopy surface, I discovered that imported geometries are handled wrong when drawing a B-spline. In this case I have a set of lines from one sketch that is imported into ...