I introduce the subject by showing them how to create the 3D form out of the 2D shape using just pencil. We talk about light sources and shadow directions also at this time. It's generally the first time we've used pencil shading to really make something look three dimensional, so the kids are usually very impressed and anxious to start this project. We just use pencil on copier paper (cheep and easy to replace if they make a mistake) and these become our first drafts. They have to try one of each form: cylinder, cube, rectangular prism, sphere, cone, and pyramid. Most of them already know their form names because it is also a topic in their math curriculum.
After experimenting with pencil, these drafts become our models for our "big" form project. Using oil crayon on black paper we recreate the same forms, this time adding a table.
My third grade came up with some fabulous art this year. The classroom teachers even decided to hang it as their bulletin boards. I love it when that happens!
Some close ups:
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