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

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