Tank Maimai

This is a Snail (Maimai), which is driven by a rubber-band motor.
This rubber-band motor is based on "Itomaki-TANK" of an old toy of Japan.
It is made from spool of sewing machine, candle and rubber bands. and It is rotated slowly by candle-clutch.
My print data is [Nozzle=0.35][Z-pitch=0.35]
**Updated the data of TankMaimai.STL at July 16 2014.
YouTube http://youtu.be/OGpLs-J9pEU