Archimedes Screw Papercraft

Paper model of an Archimedes Screw (aka Archimedean screw, aka screwpump) created by Steve Seidl.The Archimedes screw is a machine for raising water, allegedly invented by the ancient Greek scientist Archimedes for removing water from the hold of a large ship. One form consists of a circular pipe enclosing a helix and inclined at an angle of about 45 degrees to the horizontal with its lower end