Easter egg painter helping hand

Rotates the egg. Nothing more to it.

BOM
- printed parts
- M5 threaded rod and 8x M5 nuts
- M3x50 bolt and 1x M3 nut for egg holder
- 2x M3 nut and 2x M3x5 bolt
- a spring for the egg holder "idler"
- 28BYJ-48 stepper
- Arduino
- ULN2003 driver, easily found on eBay

Reused code from http://forum.arduino.cc/index.php?topic=85335.0 to drive the stepper at a constant (slow) speed. The code from the first post will work just fine, all you need to modify is the main loop().

void loo