dEarring#110 Working typewriter

###Update1: Some better pictures and http://youtu.be/DreCVzvumZE

I had this idea for days, but as the mechanics of a real one are so complex I made it as minimalistic as possible...

* Three keys work (due to the small scale they don't fall back, so perhaps it's a rusty typewriter ;-) )
If the carbon paper strip is put in tightly, the keys bounce off it though.

* The barrel holds the paper and rotates

* The slots can hold a tiny strip of carbon paper and in theory, the letters could