Filament Guide
thingiverse
This filament guide should work with any 3D printer that uses m5 T-slot nuts. I'm using mine for the CR10 v3 with direct feed, to ensure a very straight path for the filament.The bolt should be m5x20 with a head diameter of at most 9mm.The distance between the bearing centers is 12.5mm. Using regular 1.75mm filament, 12mm groove ball bearings where the inner groove diameter is around 11mm seems to work fine. The nuts and bolts used for the bearing should be m4.
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