3mm Filament Extruder Un-assembled

The purpose of the extruder is to pull the material off of the spool or roll, and push it with force along/through a tube on a path into the hot-end. 

The extruder is located far from the nozzle and a Teflon tube connects the nozzle and the extruder, so that the nozzle is prevented from being clogged by the dust from the knurled bolt on the extruder. 

3mm Extruder needs a 3mm Nozzle and a 3mm PLA

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