Ender 3 Extruder Spring Adjustable Tensioner
thingiverse
Really wanted my Ender 3 Extruder spring to be adjustable, so I designed this. I used a 5mm x 3mm Brass insert, which you melt into one of the parts, Found that the spring would catch on the opposite side, so printed a plastic washer, which fits over the screw and allows free rotation of the spring as you adjust it.
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