11-2-2013 Color Pencil on tomato

Color pencil tomato.
1: structure. 三个面，上部象南瓜，有把柄和不平的表面。下部是圆滑的
2: shadow: 两个方向的变化。
3: reflection on tomato.
4: dark side on tomato, then medium, light.
5: top surface value change
6: background
7: add detailed value change.