Use [space] to switch between modes! Frozen: What shape do the dots make? Speed Mode Off: Watch patterns emerge and disappear! Speed Mode On: 2x Speed
Credit to PullJosh for the pen script and the original Color Contraption which you can find down there :D I added 'modes' and edited the pen script to make it even more cool! I recommend you try out turbo mode... which way do you like it better, turbo or non turbo?