Hypercube 300 remixed for X axis MGN12 rail

Update: After some research into MGN rails, I've made a new 2020 mounted mgn carrier, available here: https://www.thingiverse.com/thing:3497030 This design is EOL, but if anyone wants to keep working on it, go for it. :)

I remixed the carrier for the original Hypercube and the XY joiners from the Hypercube 300 to take an X axis MGN12 rail. Included are x carriers with and without an x endstop. I've added small slots to grip the teeth of the belt so it can't slip.

It uses the standard 4 s