Studies from Gropius' Berlin Office: Upper floor plan, 1:100

Graphite on paper

Colored marker on paper

Graphite and incised lines on paper

Colored marker and blue pen on paper

Watercolor and graphite on paper

Graphite and colored crayon on paper

Orange, black and gray crayon on paper

Colored crayons on paper

Colored marker on paper

Graphite on paper

Colored crayons on paper

Colored marker on paper