Double Spool Holder

With my single filament Bambulab A1, I did not need the AMS but a quick filament change system, I had already added a double stand for the original, but I wanted more flexibility with at least four spools, so I designed this stand to add two more spools. Obviously it is not for simultaneous printing with several colours, but a system to speed up the change without moving the spools and always having 4 color available. Con la mia Bambulab A1 a singolo filamento, non avevo bisogno dell'AMS ma