Definition of oblique drawing : a projective drawing of which the frontal lines are given in true proportions and relations and all others at suitable angles other than 90 degrees without regard to the rules of linear perspective.

Why do we use oblique drawings?

Oblique projections Oblique drawings are not very realistic as it is impossible to see the front of an object straight on and the side at the same time. They can be useful to sketch at speed or to show the front and side of a building.

What is oblique technique?

Oblique projection is a method of drawing objects in 3 dimensions. It is quite a simple technique compared to isometric or even perspective drawing. However, to draw accurately in oblique projection traditional drawing equipment is needed (see diagram below).