Linear Rail Gantry system V2

I have made a bunch of improvements in this design, and I would consider it my first real "success".
Changes:

1) I changed the pressure angled of the V-groove from 45 to 22.5 so the v-groove bearing are easier to print.
2) many modifications to the shuttle and added in adjustment screws, slide tracks, etc for mounting
3) changes to the bearing system, I'm now using 608 bearings with a v-groove sleeve.
4) changed the height of the tube, the herrringbone track is now printed separately and