TEVO Tarantula Z-Axis support use KFL08 bearing

This part will remove the weight from the z step motor coupler and allow better z-precision and stability. An additional nob can also be added for hand turning of the lead screw (insert 2 3mm nuts in the slot and use 2 10mm M3 screw as grub screw).

Do not screw the bearing to the bracket to allow lateral movement of the bearing and reduce the z wobble.

The bracket uses the same motor mounting hole on the step motor and is compatible with either the original acrylic z mounting plate or th