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Keith's filament guide (2020) PTFE adapter

Keith's filament guide (2020) PTFE adapter

thingiverse

Keith Corcoran's filament guiding arm is one great accessory for an ender 3. Unfortunately as I printed it from PLA, after only one spool, the filament carved its shape into the guiding ring, causing it to stutter and even cause retraction issues. I designed this simple insert that clips on the guiding ring and houses a piece of PTFE tube to reduce friction. I will update it as required.

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