
Ender 3 back Y-axis idler for 9mm belts
thingiverse
Prevents 9mm belts from chafing against the edge of the extrusion at the back (motor side) of the Y axis assembly. Employs standard F688ZZ bearings sourced from the front y-axis idler (replacing with F608 provides the necessary bend radius for the belt and clearance on that end), a solitary >16mm M3 screw, and an M3 nut.
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