- Press 1, 2, 3, and 4 to switch modes. They are centre-based, vertical, horizontal, and asymmetrical respectively. - Press 5 to decrease the pen size and 6 to increase it. - Press 0 to bring up the options menu. From there you can change the pen's colour and shade.
Clones are fun. Of course, you can decide to get... clever with the symmetry. Like @llamahorse did. ;)
