Turbine Hub / Toungue Depressor Whirlygig

thingiverse

This rapid-printing device is simple to assemble! To use, follow these steps: Obtain a hexagonal-shaped pen or pencil; also require 6 long tongue depressors (1.6mm x 20mm x 170mm). Insert the pencil through the center and place each tongue depressor in the designated slots. Spin it swiftly with your hands, and watch it soar!