This is upgraded version MK3 of Small wind turbine.
You can print it from PETG, PCTG, ASA, nylon...

hardware you need:
DIN912:
6x M3x15 mm (or 16mm)
2x M4x20 mm

DIN933:
1x M5x100mm (could be substituted by tread rod M5 L=105mm)

DIN 934 (hex_nut):
5x M5
3x M8

DIN125 washer:
5,3 mm

thread rod M8 as vertical pole

bearings:
2x 625 2RS or ZZ 5x16x5 mm
2x 619 (698) 2RS or ZZ 8x19x6 mm

Better you can balance rotor with blades, so it does not shake at resonance frequency and start spinning at very low wind.
Please post the make if you are satisfied.

use 0,2mm layer and 4 perimeters
support on build plate is needed for fin and blades.