Anycubic i3 Mega-S Spool Holder

This is a spool holder specifically designed for the AnyCubic i3 Mega-S. (And possibly the Mega Pro/Mega X?? .. Looks like they may use the same factory spool holder)What this isn't: This isn't designed to be the smoothest rolling spool holder in the world. It doesn't have wheels or bearings or anything like that. I'm still kind of on the fence as to whether or not that stuff is even necessary. I've never really had problems related to that using the stock spool holder.What this is: I was loaned a spool of AMZ3D filament, and found that the inner diameter of the spool was too small to fit on the stock spool holder. If you unscrew the post that the filament normally sits on, leaving the "arm" attached, this spool holder should attach to the existing factory arm and allow you to use spools with an inner diameter as small as about 30mm.Things do fit together fairly snugly, and it may even be possible to use this without any screws (I didn't need them), but for extra insurance (or if it is