Dutch waterworks inspired squirt 'gun'

My entry for the ‘Bath toys’ design challenge based on the old Dutch water mills used to pumping water out of and into area's of land. The windmill driven wormgears were instrumental in creating much of the dry land that now makes up The Netherlands.

As a bath toy, I present to you the water mill/wormgear driven squirt gun.
Stick the bottom end in the water and start cranking!

PS: I haven't yet tried printing it. The clearances should be all OK and all parts except the work gear have been designed to be printed without supports.

I had some difficulties cutting the wormgear in half length-wise but I figured this would be easily tackled in the slicer software (the idea being that I'd print the 2 half laying flat on the bed, rather than having to deal with the somewhat steep overhangs of the spiral)