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 ...

CAD Sketcher lets the user make a ‘sketch’, a 2D drawing. They then constrain it, saying “this line is vertical, that line is parallel to this one”, until the sketch is fully defined.

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.

Perspective drawings show an object in 3D getting smaller in the distance. Two-point perspective close two-point perspectiveUses two vanishing points to create a 3D drawing. - This shows an object ...