
Facets

 Press <Tab> to swap between single or 6 facets.

 Use '>' for faster and '<' for slower (7 speeds).
 OR use keypad keys 0,1,2,...,6  :  (0=fastest, 6=slowest)
 (you can also use the keyboard numbers at the top).

 Use <Space> to hold a finished display, and then any key to restart.

 Use <Space> to freeze frame, and then release to resume drawing.

 Click <S> to single-step the drawing (or hold <S> down).
