Ender 3 filament guide PTFE
thingiverse
Filament guide for Ender3 or other Creality bowden printer. You need any old PTFE tube 20cm- can use longer or shorter. Stock M3 bolts. Hole is 4mm so maybe you can use any tube 4mm diameter. You should use any Extruder knob. I use this: https://www.thingiverse.com/thing:3176144
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