This is a remodel from: https://www.thingiverse.com/thing:3742027

Please note that this mod has certain pre-requisites: Unitak3D dual Z axis upgrade with linear rails. A dual Z mod for linear rails mod kit (or equivalent aluminum plates)

The spacers are adjusted for linear rails on Z and upgrades 2 of the screws to M6 screws. The spacers are meant to accept threaded inserts, M4 and M6 respectively. Note that one of the spacers has a slot cut out. This one sits towards the linear rail carriage and allows clearance for motion.

M4 threaded insert should have an outside diameter of approx 7 mm. M6 should be in the area of 8 mm.

Print settings: A functional filament, ABS CF, PETG CF/GF or similar 5 walls, top and bottom layers 35% infill