Summary One of my oldest works, modeled in Blender and fixed with NetFabb Basic. Can bear various spools due to his conical shape and is light weight due to walls instead of full shape conical mesh. I placed some support in the bearing space, but you are free to add some more in your print to make it more clean if you want. It uses a ZZ608 ball bearing and needs an 8mm threaded rod. Naturally you have to print a couple of them ^^ Added the BLEND source (a mess of things bad organized) and I'm really sorry for the bad organization of the file, but it was just a fast edit to make something I reaaly need fast ^^ Instructions BOM: 2x printed parts 2x 608ZZ BallBearing 1x 8mm threaded rod 2/4x 8mm nuts As shown in picture I've put a second nut, but you can use an auto locking nut insted of using two per side.