One/TwoUP Zip Tie Backing Plate (customizable)

A simple plate designed to prevent crushing the mdf of the Oneup or Twoup when securing bearings with zip ties. I've included the SCAD file so you can play with different thicknesses.

My OneUP hasn't arrived yet, so this is untested. May need some tweaking...

UPDATE: My OneUP arrived today and I got to test these. They work really well. The keys fit the slots fine, and the ziptie slots line up like I had hoped. I use 4mm for the base plate and 1mm for the slot key. The slot key can b