Anycubic i3 Mega Spool "Bearing"

** NOTE: updated stl file, different from photo!

Yup. It's a cylinder.

This is for the free filament spool holder that comes with the Anycubic i3 Mega 3D printer. You'll notice your spool sort of flops around when rolling, causing the extruder step motor unnecessary stress. I didn't want to print the other designs out, because they either required ball bearings and other hardware parts, or they simply don't use the spool holder at all (the acrylic design is cool!). This is simply a plasti