Openbuilds I3 Direct-Drive X Carriage

This carriage was great when I was using a bowden style extruder, so when I switched to an E3Dv6 direct drive model I redesigned it to work with my new setup. Paired with this: (https://www.thingiverse.com/thing:1383913) It works fantastic in a direct drive setup.

Works great with any style of Nema-17, I've added square cutouts to zip-tie the extruder to the carriage.

I also shrunk the original on the Y-axis by about .5mm, the original wobbled a little bit on the 2020 extrusion because t