Ender 3 Filament Spool Holder Adapter
thingiverse
I really didn't like the way the filament spool rocks back and forth (because the center of gravity was lower than the holder), but I couldn't find an adapter that will fit the stock holder of the Ender 3. So I remixed a design of a CR-10 adapter, changed the inner diameter, cut it to 2 pieces so it could fit the holder and not fall off it and added 4 holes on each sides. After printing I joined the parts together on the holder using 2 toothpicks and no more rocking. The spool turns smoothly. UPDATE: Turns out that Creality changed the spool holder in the newer Ender 3 version, so this is needed only in the version that doesn't have a nut on the free side of the holder spindle. UPDATE 2: Uploaded a longer version of the holder to utilize the full length of Ender's spindle.
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