About this 3D model

BOM: #6 screw preferably 1.5" to 2" #6 nut Spring 2 Washers with a max OD of 10mm upset about the terrible build quality and design of your MakerFarm Prusa i3? cry no more! this tensioner will hold the z-axis screw and nut in place so that the zero of your endstop will never change never again will the print head slam into the bed and destroy your motors and rods! Adjust easily with a philips screwdriver with incredibly high accuracy a 1/8th turn will allow for perfect calibration when printing with different layer hights