Thanks to vladua for the great wind turbine. https://www.thingiverse.com/thing:3627007
I wanted to have the bearing completely below the wind turbine. To do this, I enlarged the bars at the top and bottom and added 8 mm holes. I added a thin layer to the upper hole for better bridging. Since the wind turbine has a small base, I added supports and adhesive discs. For printing, the wind turbine should be turned in such a way that the first layer of the upper end plate bridges briefly. NabeHalter22 fits a 22mm rod, hub fits a 25mm rod or external 40mm clamps. If necessary, the axis can be fixed with M3 screws and nuts using the adjusting ring. I recommend a test print sunk in Z for the hub. Then measure the inner diameter (22.0 mm) and compensate for the possible deviation with a horizontal hole extension (Cura). Hub holder was printed with PETG and the rest with PLA.
An axle 8×310 mm and two ball bearings 608ZZ 8x22x7 mm are required, for the holder 4x cylinder head screws M5x35 with nuts.
If you want, you can glue “Savonius3KlLi” together and attach it to the protruding axle.
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