Ender 2, Ender 3, CR10 Z axis variable motor holder
thingiverse
A solution to a bending Z-axis screw lies in offsetting the Z-axis motor itself. By doing so, the nut, motor, and optional support bearing atop the screw must be aligned parallel with the Z-axis extrusion. This is accomplished using a holder with an offset for the Z-axis motor. I am not fond of fixed offset holders commonly found on Thingiverse, therefore I designed a holder featuring elliptical holes for the motor. As such, you can align your motor at any distance from minimum to 1.75mm.
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