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 ...

A force can be a push or a pull. When a force is exerted on an object it can change the object's speed, direction of movement or shape. Pressure is a measure of how much force is acting upon an area.

The File menu's text labels for the "Save" and "Save As" commands are not reliably updated when opening a new drawing file. This results in the menu sometimes showing the filename of a previously ...