Studies from Gropius' Berlin Office: Elevation, details, 1:20

Black crayon on paper

Colored marker on paper

Black crayon on paper

B/w photocopy on red paper and adhesive on sketchbook paper

Graphite on paper

Black crayon on paper

Graphite on paper

Colored crayons on paper

Metalpoint on white prepared paper

Black pen and watercolor stain on paper

Graphite and red ink on paper

Blue crayon on paper