Competition Entry for "Growing House" for "Sun, Air, and House for All" Exhibition, Berlin, 1932: Ground floor plans and perspective sketch

Colored and metallic marker on paper

Blue and black marker on paper

Black and red marker and black pen on paper

Colored marker on paper

Graphite on cream wove paper

Graphite on paper

Graphite on paper

Black and colored crayon on off-white wove paper

Black crayon and ink on paper

Black crayon on paper

Colored marker on paper

Graphite on paper