User
(Father's note)
I've been trying to get taiyo to feel volume on the plane of the paper. We started out by drawing outlines of boxes, to get some sense of space in the drawing, as can be seen a few drawings back, with the mountain and the dragon picture. here he extends that understanding to the figurative form, where boxes are replaced by spheres. I did not help him with either of these rabbit drawings, and they are copies from the book, Cartoon Animation, by Preston Blair, who had a hand in many of the great Disney Films.
Thinking that someone might want to draw the same thing, I copied the pages out of the book:
