Interactive numerical controlled egg-decorating machine

- Inspired of the orignal egg-bot I designed a interactive variant for egg-decoration.
- Designed to be easily assembled and printed (no support required if oriented properly while printing)
- Controlled via serial interface (i use putty to connect, any terminal will do)
- Video: https://www.youtube.com/watch?v=KuiRFXf5oMg

##Modes of operation
- Direct control (move left/right, rotation forward/reverse) and pen up/down keys like an etch-and-sketch
- 360 degrees patterns via simple n