Precision Adjustable Z Endstop Holder and Constraint

thingiverse

Create an adjustable Z-axis endstop holder with integrated screw constraint bearing for Prusa printers using the following steps: 1) Print, 2) trim support, 3) ream M8 hole, 4) install 608 bearing in cup, 5) attach optical endstop, 6) optionally use nut to secure top of bearing, 7) assemble parts on smooth rod, 8) loosely attach Clamp/Bearing mount, 9) assemble adjustment bolt, and 10) move clamp to final position. You will need M3 and M4 bolts, nuts, washers, springs, an optical endstop, and a 608 bearing. Note that the provided .stl file is sized for M3 bolts. The springs can be sourced from Home Depot's Everbilt #471864 spring assortment kit.