How to draw shadow in perspective - Parallel source light

- To make your sketch pop out from the background, it's essential to add a Cast shadow. The “cast shadow” projects the shadow of an object on a surface (most of the time on the ground surface). There is basically 2 methods at drawing the cast shadow: ◾Parallel source light ◾Diverging source light Let’s see today the most simple one, the Cast shadow with the Parallel source light.