Easy View Master Spool

Easy View Master Spool Works with Bambu, Polymaker, Sunlu, Esun, Elegoo, and AnyCubic filament refills. This is a remix of the Polymaker Refill Master Spool. It has two different ways to hold the loose end of the filament. The first is the oval holes along the top edge. The holes are large enough and spaced enough that it does not kink the filament like other spools. The other is a clever little slot along the top edge of the spool that you simply press the filament into for a secure hold. It is a very sturdy well designed spool. Although there was some things that I like in a spool that was just not part of the creators design. I have an A1 with a top mounted AMS. I wanted to be sure that I could see how much filament was left on the spool even if it was mounted on the back side of the AMS. That is why I added a couple of additional large slots to allow for easy viewing of the remaining filament. Now no matter where the spool is in its rotation there is always at least one slot where