Snapmaker U1 QuickLoad Top-Mount Spool Holder

Quick-Load Top-Insertion Spool Holder for U1This project is a top-insertion spool holder designed specifically for the U1 printer, with the goal of making spool changes fast, simple, and tool-free.The spool can be inserted from the top, allowing a very quick replacement without removing parts or disassembling the holder.The design has been extensively tested before publishing: I successfully completed long prints up to 18 hours without any issues related to stability, friction, or filament feeding.Key FeaturesTop-loading design for quick and easy spool changesStable and smooth rotation, even during long printsTested on long prints (up to 18 hours) with no problemsLow material usage and optimized geometryTwo Thread Options IncludedThe files include two different threaded sections to secure the spool to the holder:One version with a 6-turn threadOne version with a 3-turn threadThis allows you to choose between maximum grip or faster installation, depending on your preference.Material Usa