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

Graphite and colored pencil on paper

Red marker and black pen on paper

Blue marker on paper

Colored crayons on paper

Color photocopy, red paper, and adhesive on sketchbook paper

Graphite with red, blue, and yellow crayon ; graphite and blue crayon on paper

Ink on paper

Black marker on paper

Black marker on paper

Black crayon on white wove paper

Graphite on paper

Black crayon on paper