Installation for Feder Furniture Exhibition, Berlin, 1929: Seventh proposal: plan, 1:50

Black ink on cardboard

Ink on paper

Graphite on paper

Black crayon on paper

Black crayon on paper

Graphite on paper

Black and red marker on paper

Graphite and watercolor on paper

Black and blue marker on paper

Graphite and charcoal on paper

Colored marker on paper

Colored marker and red ink on paper