MakerFarm Pegasus Lead Screw Mounts

These brackets are designed to mount 8mm lead screws to the MakerFarm Pegasus. I have the 10" version with metal motor mounts and X-carriage, so I haven't been able to test it on other sizes, but looking at pictures it should work fine. I'd be interested to hear feedback though.

I originally purchased the ACME Lead Screw Upgrade kit from Colin at MakerFarm but there were a few things I didn't like about it:
1. The provided nut blocks are very snug and don't spin easily, even after over a m