18mm Inductive Sensor Rear Mount

Use for mounting your inductive z-height sensor behind Mak-a-face's 3 or 4 bearing x-carriage for the following prusa i3 re-work style x-carriages:

http://www.thingiverse.com/thing:886421
http://www.thingiverse.com/thing:643799

This locates you inductive sensor behind the x-carriage and out of the way which is very nice and clean. It also helps balance the mass of the hot-end so that the CG of the carriage is more aligned with the belts.

Unfortunately this DOES limit your z-height on