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

Black and light green crayon on paper

Black and red marker on paper

Graphite and colored pencils on paper

Paper

Graphite on paper

Ink and wash on paper

Graphite on paper

Paper

Graphite on paper

Black and blue marker on paper

Graphite on paper

Graphite on paper