Ender 3 aluminum extruder spring tensioner
thingiverse
A spring tensioner for those cheapy red aluminum extruder assemblies, based on the spring tensioner that comes standard with the better ones. Note: You will need a M3 knurled brass insert to sink into the plastic for the screw to thread into. Also Note: Some of the no name red extruders come with a screw too short for this fix.
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