Describir: Descriptive geometry for architects and builders

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