Looking above you can see some of the paper models the students drew, cut out,
and then folded into various geometric shapes.
A nicely drawn example of a shaded cube.
Another part of the assignment was to assign each face of the solid a dark, gray and light face. The students used various types of dry media, natural charcoal, charcoal pencils, and ebony pencils. they learned that some of the media makes better dark blacks than others.
A nice arrangement of the solids.
Below is a collection of the whole assignment.