Using computer aided design (CAD) allows the user to quickly make changes, and the drawings can be digitally ... To turn our flat 2D shape into a 3D model, you will need to extrude it.

The creation, display and manipulation of objects in the computer in two dimensions. Drawing programs and 2D CAD programs allow objects to be drawn on an X-Y scale as if they were drawn on paper.

Computer-aided design software ... It's used to create 2D architectural plans, building designs and structural drawings including elevations and sections. Floor plans and scaled diagrams can ...