Hi folks!So this is a complete kit for your Ender 3. If you are looking for this, you probably know about the Z-axis problem of the Ender 3. This is an easy -TO!Step 1:Print all three - 200/55; 50mm; 6mm retrac. @25mm; 0.16mm; 100% fan; 50% infill; 15% 45° support 0.2mm Z-distanceStep two:Remove the motor, and untighten the two M3 bolts that locate the axis. Remove the top aluminium three:Slide on the top positioner, then reitall the top aluminium piece. Itall the Z-motor space and reitall the motor. Now, it's very important to do these while the brass-thing is untightened!After you have reitalled everything, thighten it. If you do it this way, the top piece only acts as a positioner-- no stress on the threaded rod!Step 4:Add a bit of lubrication to the shaft, and check if there is any play, or if it's too tight. If you italled it correctly, none of them should occour. Please use it with caution!