Archimedes Screw
grabcad
The Archimedes screw can be utilized as a method for providing assistance in giving, but its efficiency is limited by the insufficient size. The 3D double-bladed Archimedes screw propeller design available at https://grabcad.com/requests/3d-double-bladed-archimedes-screw-propeller can potentially address this issue to some extent.
Download Model from grabcad
With this file you will be able to print Archimedes Screw with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Archimedes Screw.