Universal Filament Holder with ABEC bearings

Having purchased a Flashforge Finder which uses 600g spools of filament, I needed a filament spool holder to support the larger 1kg spools of filament. I had already tried another design of holder but found the filament wrapped around the open wheel of this design and consequently tipped the whole spool holder over (6 hours into a 9 hour print!). There also seemed to be some resistance in the rotation of the wheels in this design so my design goals became 1) enclosed wheels and 2) minimum resi