Projections
Oblique perspective
Key points
Oblique projection is easy and quick to draw so long as the object is not round. This is because you have to 'rotate' the object to get a 3D view. If you do this to a circle shape it will look elliptical not round.
1. Draw the front view.
2. Extend lines back at any angle you like.
3. Draw lines parallel to the lines used in the front view.