Isometric Rendering of the Director’s Office in Bauhaus Weimar, design: Walter Gropius, 1923 / drawing: Herbert Bayer. Stiftung Bauhaus Dessau. https://thecharnelhouse.org/2014/04/01/object-lessons-from-the-bauhaus/herbert-bayer-isometric-drawing-of-walter-gropiuss-study-in-the-weimar-bauhaus-1923/