Describir: Simplified design of roof trusses for architects and builders

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