Geeetech A20 filament cleaner with attachment to the filament run out sensor
thingiverse
I designed a filament cleaner which can be attached to the filament runout sensor of the Geeetech A20 (possibly also other printers using the same sensor type). It is the second version, the first version had a serious flaw making it virtually useless (if you attached a ptfe tube to the m10 fitting the ptfe tube was drawn inside the sponge since there was no stop behind the m10 fitting - sorry to those who downloaded faulty version). Lessons learned and new version uploaded. This one seems to work out fine. You will also need: 2x M4x25 screw which is directly driven into the filament runout sensor for mounting 1x PC4-M10 fitting for ptfe tube 1x sponge
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