Monoprice Maker Select V2 Spool Holder Extender

Here's another Monoprice Maker Select V2 spool extender! I couldn't find one that met my needs when I wanted it, but I guess I didn't use the right keywords because now I see a few. Oh well.
This can accommodate a spool up to 93 mm wide, which was perfect for the 1 kg spool of "BuMat" PLA filament I had (92 mm wide). It only works with spools that have a lot of clearance inside, though... **see note below.**
This one is nice because it just extends the original holder, so it doesn'