Moineau stepper pump

Development of Moineau pump: http://www.thingiverse.com/thing:7958

This is still under development, but the final goal is to develop this into a paste dispenser operated by a stepper motor and used in a 3D printer to form things from any paste-like material. For now, this operates with just a hand crank. Compared to the original, the rotation is reversed and the idea is to feed it from the top and have it push the pumped material out from the nozzle at the bottom.

Printed and tested (by ha