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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 /  ___||  |  ___|| \ \\ / //  \ \\/ // \ \\ / //  /_   _//  /  ___|| 
| // __    | ||__    \ \/ //    \ ` //   \ \/ //    -| ||-  | // __   
| \\_\ ||  | ||__     \  //      | ||     \  //     _| ||_  | \\_\ || 
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  `---`    `-----`      `        `-`'       `      `-----`    `---`   
                                                                      
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| \\_/ || 
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