Filament Holder Ender 3

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I've been seeing occasional under-extrusion from my Ender 3. I noticed that the filament spool did not at all unwind smoothly. After changing the spool to rest on ball bearings on the table top those issues went away. However, I prefer the filament on top of the printer. So here is my take on a filament holder for the Ender 3. Some additional non-3D printed parts are needed, in particular 4 608zz bearings and 2 axles. I used 8mm aluminum tubing, but 5/16 dowel should work too. I also have the source files on GitHub. I printed the frame, rollers and washers independently. The following notes on settings:   Print frame with supports Print washers with brim Print roller halves without support The following quantities are needed: Frame (Frame.stl): 1 Roller A (Roller A.stl): 2 Roller B (Roller B.stl): 2 Washer (Washer.stl): 4 Additional parts (not 3D printed): Bearings 608zz: 4 Axles 8mm diameter: 2    

Author:
adilinden

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