3D Printing the 2600 Whistle

by @edent | # # # # # | 2 comments | Read ~3,203 times.

Perhaps the most legendary piece of plastic in the hacker community is the humble "Cap'n Crunch" whistle. The free-in-cereal whistle was able to emit a piercing shriek at 2600Hz - the exact tone required to unlock the US phone network. So, because it's all I seem to do these days, I turned my my trusty… Continue reading →