Universal Spool Holder for 2080 Extrusions

I liked bearing spool holders that touch the spool at the bottom, but I could never find one that was easy to print, and could use spools of all shapes and sizes. I designed this to be used with 625 bearings, which are the same bearings used in V-Slot wheels, so if you have extra wheels lying around, those bearings should work fine. Print everything as oriented, and use supports on the bearing holder. I designed this to be used on the Tevo Black Widow, which has 2080 extrusions on top, so this s