Eventorbot Printable Floating Motor Z-Axis

This thing is a series of parts to build a new Z-axis linear motion assembly for the Eventorbot 3d printer. This was primarily designed for those users with the Kickstarter laser cut and welded sheet metal frame, though it may still be beneficial to users who built machines using the tubular steel frame.

This upgrade provides the following benefits:

- Separates bearing fastening from tightening the Y-axis bolts. Making the Y-axis bolts very tight to alleviate wobble and tilt issues will