In every skyscraper In every skyscraper there is someone going mad. Italo Calvino, Invisible Cities 21. Four-Story Limit architectureurbanismmadness
Madness All our madness comes from having our stomachs empty and our heads full of air. Miguel de Cervantes, Don Quixote foodmadness
Truchet Tiles Truchet tiles are square tiles decorated with patterns that are not rotationally symmetric. When placed in a square tiling of the plane, they can form varied patterns, and the orientation of each tile can be used to visualize information associated with the tile's position within the tiling. Wikipedia en.wikipedia.org The Tiling Patterns of Sebastien Truchet and the Topology of Structural HierarchyWang tiles graphicsart