This is a mostly 3D printed wind generator. It includes a 3D printed alternator with hand wound coils and magnets in a halbach array.

A build guide can be found here:

Hackaday article here:
https://hackaday.com/2019/09/19/3d-print-a-complete-wind-generator/

The files are released as open source and can be found here:
https://github.com/shadowtag/TroysLab/tree/master/Scoopy

I've added the STL of the conduit end cap. This should be printed in flexible material to prevent the sharp conduit ends from being a hazard.

Enjoy!