Found 2 3D-models for “friction reduction” across many websites

#filament spool holder#cardboard#filament guide#TPU#spool holder#Overture#Noise Reduction#spool#Extruder RepRap-Fab#compliant mechanism
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Filament guide for extruders cold end

Filament guide for extruders cold end

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Cardboard Spool Silencer / Friction Reducer

Cardboard Spool Silencer / Friction Reducer

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