16 Klaus @Klaus_94088 Savonius Rotor with Rahai profile, Wind Spinner, Wind Wheel, Wind Turbine / Windrad, Windturbine 23 0 82
17 PRINTER @PRINTER Windmill XL - 100% printable - no support - no bearings - low friction - video 928 4.9 2,170
17 PRINTER @PRINTER Windmill Toroidal - 100% printable - no support - no bearings - low friction - video 299 5 793