Twisted LMxUU Bearing, Parameterized

NOTE: I have not actually printed any of these yet, but I wanted to share the design.

This is another printable LMxUU-style linear bearing, with a twist (literally). Instead of simple straight inner grooves, these twist to wrap around the rod. This may help to distribute forces (and lubrication) more evenly.

I have included examples for the most commonly used sizes. The default versions are 'light duty', suitable for vertical applications such as a delta-style printer. There are also 'heav