"Haus Sonnenfang" Sanatorium, Berlin, 1931: Fourth floor plan, 1:500

Graphite on off-white wove paper

Graphite on paper

Colored marker and black pen on paper

Graphite on paper

Black crayon on paper

Colored marker and blue pen on paper

Black marker, blue ink, and adhesive on paper

Ink, stamps, and spatter paint on paper

Black crayon on paper

Graphite on paper

Graphite on paper

Colored marker on paper