Bowden Extruder Filament Funnel

thingiverse

Many Bowden-type extruders have a pneumatic tube connector with a 10 mm thread - the tube is held rigidly in place, and the filament is driven by the motor - into the end ot the tube, where it stops. This item fits into the thread end, and funnels the filament into the tube. it works delightfully! Since there is no heat, any plastic will function - I made mine with PLA,