The original washer is too low and loose + head screw housing in the chain cable is to large. So the cable chain is not firmly in piece one the toolhead, and it wobble when printing.
This simple mod fix this issue, also helped me improving shaper's resonances graphs.
Tolerances are very tiny so you may adjust “holes compensation” parameter in your slicer to achieve perfect fitting.
Tips:
The author marked this model as their own original creation.