30 Dimensional Drawing
The ability to see in third dimension is fairly near the top of the list of requirements for the animator, assistant animator, and the inbetweener. Most of us come by this knowledge only after years of observation and practice. Some years ago, a simple little drawing book was given to me by its author, Bruce McIntyre. He had devised a sort of shorthand art course that he taught to young children and the results were amazing. His whole premise was built on six rules of perspective and an involved use of directional symbols.
The perspective rules are simply this:
The first two rules, I think, are a preparation for the third ...