Negative spaces: first exercise

A clever way of drawing complex objects in good proportion is to focus on the empty spaces left. Betty Edwards explained this technique in her book “Drawing on the right side of the brain” (see this post with an application of the idea). I have applied negative contour drawing to this potted plant with a lot of leaves:

Negative spaces exercise: plant
Negative spaces exercise: plant

Drawing such a subject requires some patience, but it is very rewarding to see the full shape of the plant emerge from the apparently meaningless pattern of small white background spots.