Summary Universal Spool Holder. It Uses 4x 22mm Diameter Bearings (602zz I guess) and 2 wooden poles with same diameter and length depending on your requirement. I've used 300mm rods. any Spool can fit on top. 200g spool 750g spool 1Kg Spool 2 Kg spool 2.5 Kg spool 3Kg spool NO SUPPORT NEEDED Next update will include the 3D Printed rods to eliminate the need of wooden Pole and something to replace Bearings to make it 100% 3D printable.