Stack-able Verticle Maglev Spool Holder

This is a stack-able vertical spool holder that reduces/eliminates friction by using magnets that repel each other! This spool holder is designed for 1kg/ 2.2lb spools. You can find the magnets for this project right here: http://www.banggood.com/10PCS-25-x-2mm-N35-Strong-Round-Rare-Earth-Neodymium-Magnet-p-947146.html