Modular Rack Spool Holder

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This spool holder is designed like a modular rack that allows you to add as many spools as needed in a vertical formation. To easily switch out spools, simply pull up the current roll and swap it with another one. This model offers two convenient usage options: place the modular rack on a table or install it on the floor. Alternatively, you can use the integrated wall mount to hang the rack from the wall at a height of several meters above the floor. For my next version, I plan to incorporate a filament guide that accommodates 1.75mm and 3mm filaments, as well as a system for preventing retraction failures. The design is flexible, enabling you to create accessories and customize its configuration to boost productivity.