The Revolve Tool allows you to revolve a 2D
sketch around an axis. You can control the
size of the resulting object by moving the sketch
away from the origin of the sketch.
The Pad Tool is used to take a sketch and convert it into a solid. It can also be used to add solid features to an existing solid once the sketch is placed on a face.
This tutorial shows how to use the FreeCADTechDraw Workbench in furniture design. The TechDraw Workbench allows you to create technical drawing, or plans, of your parts.