Untitled (bleed-through of previous page and color transfer, left page); Untitled (notes and measurements for light sculptures and positioning of perforations, right page)

Black ink over graphite on white wove paper

Black ink over graphite on thin tracing paper, mounted to off-white cardboard

Sheets of paper adhered to sketchbook

Black crayon on paper

Black and white chalks on off-white paper prepared with gray ground

Graphite on gray paper

Black chalk and black opaque wash on tan wove paper

Watercolor on paper

Black and metallic marker on paper

Colored crayons on paper

Graphite on white wove paper

Colored marker on paper