Here is a cool LEGO creation capable of decorating eggs for Easter or other occasions. The machine was built using the LEGO Mindstorms EV3 kit. It can print 7 different patterns onto an egg. As the maker explains, the egg bot uses motors to move the egg, raise and lower the marker, and move the arm from side to side.
JK Brickworks has more on this project. What do you think? How would you improve this?