CR10S/Adimlab 20x20mm frame quick change filament holder

This was designed so that I could use multiple manufacturer's filaments knowing there are many different sizes of spools. The filament rolls unhindered by a static arm. It is smooth and slimline and the filament should not dump off in case of a filament tangle.
I designed this in Fusion360 for my ADIMLab gantry printer. It will fit any printer that uses 20x20 framing material. You will need a R16-2RS or similar sized bearing. I had a few from the shop so that is what I built.
I would change