The Perfect Bambu Refill Master Spool (almost)

New Version Released (V14)! Not compatible with old version! This project is still in development so any feedback is welcome! 😊 Everybody knows there are a lot of master spool designs available for the Bambulab refill filaments (and other brands). But while I was searching for one, all of the designs were missing a feature that others did have and vice versa. None of the designs had ALL of the features you wish to see in a master spool. I was charmed by the MasterSpool that FormFutura has designed, but that one wasn't compatible with BambuLab refills, just their own. So I went out and design my own, of course. (relevant XKCD: https://xkcd.com/927/ ). My master spool needed to have the following features (V13): Bambu/Sunlu/Azurefilm/Panchroma MasterSpool™ refill compatible, Works on all AMS systems, Lightweight (±100gr total for velcro version, 150gr for cilinder version), Easy change of refill spool with velcro or tie wraps, Good solution for clamping the end of the filament in the sp