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

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