The file 'Betz Beating Dual Rotor Wind Turbine 3D Printer Model' is (stl) file type, size is 493.5KB.
you need 2 hubs and 6 blades and it fits directly onto this generator https://www.thingiverse.com/thing:6192755
and you might want to look at this video https://youtu.be/-aHt6Ak7mik
blade.stl | 91.0KB | |
hub.stl | 1.2MB |