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

Black crayon on paper

Graphite on paper

Graphite on paper

Graphite on paper

Colored marker on paper

Graphite on paper

Graphite on paper

Graphite on paper

Graphite on paper

Graphite on paper

Colored marker on paper

Black marker on paper