Silhouettes – simplest essence of form. Highlight – most minimal light possible. Create as many silhouette heads as you can in 2 hours and add highlight. Match highlight to the form. The highlights occur where the form is closest to the light source. The tone of the highlight is the brightest value in any drawing or painting.
Highlights, where to find them and how to apply the light.
Optional Viewing:
The major components to 3d lighting.