Untitled (calculations and bleed-through of previous page, left page); Untitled (calculations for rainbow design, right page)

Purple crayon on paper

Graphite on paper

Black ballpoint ink and graphite on white wove paper

Colored marker on paper and translucent film

Black crayon on paper

Black crayon on paper

Graphite on paper

Graphite and colored pencil on paper

Graphite on paper

Graphite on paper

Black marker on paper

Graphite on paper