Ender 3 Spool Roller

**UPDATE 08 Mar 21:
Recently I have tried it with a larger inner diameter spool of filament, large enough that it is a very loose fit on the roller. My findings were that the spool is easily rolled off the roller.
If you are using this spool roller there is another OBJ file and F3D file attached now that contains a quick attach end stop to retain the spool onto the roller**


A spool holder that I designed because I couldn't find one that adapts to and fits right on the stock Ender 3 spool holder without making major modifications to the machine or increasing footprint of the machine.

Prints in 7h55m by my PrusaSlicer settings. However with using "Variable Layer Height" set to 50% quality/speed, the printing time comes to 3h20m.

Modifying the stock spool holder requires the non-mounted end of the holder to be chopped off to make a tube with no end cap, this can be done using wire cutters or snips.
DO NOT use a knife without proper safety precautions, as the stock plastic is