Describir: Building and structural tables for architects, builders and engineers.

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