This is for converting a car's alternator into a BLDC or PMSM (permanent magnet synchronous motor).

I will make a video on why this version of the core is not the best and that I switched to a more powerful version (V2) with a smaller airgap and Halbach array. V2 is available in the links

3D file links:
https://www.printables.com/social/270...
https://www.thingiverse.com/dadsfrien...

Purchased component links:
https://www.mcmaster.com/2938T767/
https://www.mcmaster.com/7398K215/
https://www.mcmaster.com/5972K357/
https://www.mcmaster.com/2938T77/
https://www.mcmaster.com/6056N21/
https://www.mcmaster.com/98089A344/