These lines allow complex shapes to be drawn simply in 2D. In third angle ... show components that would usually be hidden in a solid drawing. Exploded diagrams can take the place of detailed ...

Be careful to measure accurately when you are drawing a 2D shape. Draw a 2D shape that has 4 equal sides that are each 3 cm long and has 4 right angles. What is this shape called? It is a square.

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.