This is a set of two high strength PYCABS 3d printed fans and their brackets.
The fans reproduce exactly the shape of the full size fans. They windmill in flight thanks to two bearings. The bracket system is sturdy and allows to counter the gyroscopic effects of the rotating mass.
The kit comes with a set of two fans, two brackets and the required fasteners:
Front bearing detail:
Rear bearing and rear reinforcement ring details: