Roller Bearing using Reuleaux Bearings

Youtuber [Maker's Muse](https://www.youtube.com/channel/UCxQbYGpbdrh-b2ND-AfIybg) ([on thingiverse](https://www.thingiverse.com/Angus/about)) showed a "ball" based on the Reuleaux triangle on his channel... and fellow 3d printing enthusiasts clamored for a bearing based on it.

His video was a good first start, and while he couldn't see any way forward, I think I might have. This is my attempt at a roller bearing using "Reuleaux" bearings.