Prefabricated Copper Houses, 1931-1932: Isometric, 1:100

Black crayon on paper

Black marker and adhesive on paper

Crayon on cream wove paper, squared

Charcoal on paper

Graphite with blue, purple, and yellow crayon on paper

Colored crayons on paper

Color photocopy and adhesive on sketchbook paper

Graphite on paper

Graphite on paper

Black marker, black pen, legal ruled paper, and adhesive on paper

Graphite on off-white wove paper

Black marker on paper