Describir: A practical handbook of geometrical composition and design

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