Untitled (photocopy of previous sketch for Europalia inflatable (page 96) with measurements, left page); Untitled (sketch for Europalia inflatable with notes, right page)

Colored marker on paper

Black and red chalk and graphite on paper

Charcoal on gray paper

Graphite on paper

Colored marker on paper

Colored crayons on paper

Graphite on paper

Ink and colored pencil on paper

Graphite on paper

Black crayon on paper

Graphite on paper

Ink, gouache, washes, and collage elements on paper