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

Black ink and watercolor on beige laid paper

Graphite on paper

Colored marker on paper

Black marker on paper

Paper

Colored marker and blue pen on paper

Black ink and graphite traces on off-white wove paper

Graphite on cream wove paper

Black, blue, and red marker on paper

Gouache and collage elements on wallpaper

Graphite on paper

Graphite on paper