Paint Mixer - remixed from https://www.printables.com/prints/171895-paint-mixer to give it more robustness on the shaft element. TinkerCad file: https://www.tinkercad.com/things/6CBctKDDngC
Shaft diameter increased, base/propeller diameter increased.
Printed in Atomic PLA, 0.2mm, 25% infill
Sided-by-side comparison pictures show the pre-remix and post-remix.
The author remixed this model.