Since Thomas Edison designed his Pearl Street Station in 1882, engineers have had to contend with presenting their design on paper—the very essence of 2D space. Edison’s answer to the need for a 3D ...

Use AutoCAD's "Extrude" and "Revolve" commands to turn 2-D designs into 3-D models. "Extrude" is how 3-D modelers to refer to the technique of stretching a 2-D shape into 3-D space. AutoCAD performs ...