Competition Entry for "Growing House" for "Sun, Air, and House for All" Exhibition, Berlin, 1932: Sketches of plan and isometrics

Blue marker and black pen on paper

Graphite and colored pencil on paper

Black and blue marker on paper

Colored marker on paper

Graphite on paper

Black, gray, and yellow crayon on paper

Black marker on paper

Blue crayon on paper

Colored marker on paper

Graphite on paper

Graphite on paper

Graphite on paper