The Portrait chapter 11
Thinking in terms of a rectangular box in perspective with a high eye level is very useful when constructing a drawing such as
this (a). The laws of one-point perspective come into play, with the sides of the face converging toward a vanishing point that
is well below the chin.
In the second image, the main planes of the portrait have been mapped out (b). When looking at the large planes that are
most parallel to the light source—in this case, it is overhead and to the right—it becomes clear why these areas are the most
brightly lit.
a bCONTINUED ON NEXT PAGE