Describir: Designer's worst paper mistakes :

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