Describir: Robin Evans. <i>The Projective Cast: architecture and its three geometries</i> : Cambridge, Mass., and London: The MIT Press, 1995

           __   __             __   __    _  _      ___      _____    _    _   
    ___    \ \\/ //     ___    \ \\/ //  | \| ||   / _ \\   /  ___|| | || | || 
   /   ||   \ ` //     /   ||   \ ` //   |  ' ||  | / \ || | // __   | || | || 
  | [] ||    | ||     | [] ||    | ||    | .  ||  | \_/ || | \\_\ || | \\_/ || 
   \__ ||    |_||      \__ ||    |_||    |_|\_||   \___//   \____//   \____//  
    -|_||    `-`'       -|_||    `-`'    `-` -`    `---`     `---`     `---`   
     `-`                 `-`