A spool holder with 3 tiers for 3 different sized spools. Also included is a customizable frame. The included STL is sized for Talman nylon spools, ebay ABS and PLA spools and Orbi-Tech large (1kg?)spools and a 608 bearing.Enter the diameters of you 3 spool holes in the openscad file. F6 to compile and export as STL. Enter the height needed for the spool frame in the open scad file, compile and export. Print 2 frames and one spool centre. insert a 608 bearing in the spool centre, and thread onto a piece of 8mm smooth rod, attach the two frames. The bearing size and rod diameter are customizable in the files as well if needed.