Buckminster Fuller, Dymaxion House Drawing/Plan, (1927)
In Fuller’s roughly clipped drawing, he has colored the walls in metallic ink to represent the aluminum skin. The triangular grid indicates the high-tension wires supporting the elevated structure. The central black triangle is the lift within the red hexagon of the central mast. Furniture is shown in situ within the five rooms, which are color coded: purple for the living room, turquois and yellow for the bedrooms, blue for the utility room, including the kitchen and orange for the library.