4/5/6 mm OD eSun eBox PTFE tube coupler
thingiverse
I Spun the Text for You: I created a custom filament tube coupler for my eSun eBox. The stock coupler is not very good - it makes annoying squeaky noises, tends to fall off easily, and only accepts OD6 tubes. So, I designed an improved version that addresses these issues. The new coupler comes in three variants: one for OD4/ID2 PTFE tubes, another for OD5/ID3 PTFE tubes, and a third for OD6/ID4 PTFE tubes.
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