Bahner Residence, Berlin, Klein-Machnow, 1933: Sketches of first floor plan and isometric, 1:100

Gouache and collage elements on paper

Colored crayons on paper

Colored marker on paper

Black and blue crayon and graphite on paper

Colored marker and black ink on paper

Black crayon on paper

Graphite on paper

Graphite on paper

Black crayon on cream wove paper

Graphite on paper

Black marker on paper

Black crayon on paper