Untitled (notes and designs for light sculptures, left page); Untitled (notes and designs for light sculptures, right page)

Colored marker on paper

Ink and colored crayon on paper

Colored crayon on paper

Graphite on off-white wove paper

Blue crayon on paper

Graphite on cream wove paper

Black marker on paper

Gray crayon on cream wove paper

Collage: white masking tape, clear pressure-sensitive tape, and graphite on off-white wove paper

Graphite on paper

Mixed media

Black and red marker on paper