Caribou Linear Rails 15x15

This is a modification to use X-Axis and Y-Axis Linear Rails 15x15 with a Caribou MK3S printer. Z-Axis uses MGN12 rails.

**No firmware modification** is requiered with the new Y-axis. Please follow the mounting instructions. But the X-Motor connector must be inverted.

You will need the next materials to build this printer:

Y-Axis:
- 2 x HGH15CA blocks
- 2 x HGR15RH rails (length must be 354mm)

X-Axis:
- 1 x HGH15CA block
- 1 x HGR15RH rail (length must be 385mm)
- A new belt (le