[Detachable, Reusable and Environmentally Friendly] The third-generation spool is designed with environmental sustainability as its core. Its detachable structure supports repeated use, significantly reducing material waste and minimizing environmental impact. [Innovative Cable Tie Design for Easier Filament Switching] A unique structural design allows users to secure unused filament with cable ties, enabling easy removal from the spool and seamless switching between different filament types for greater operational flexibility. [Easy Assembly with Clear Instructions] The new colorful packaging includes illustrated assembly instructions and a video guide, making it easy even for beginners to get started and enjoy a more user-friendly experience.  Check our Instructional Video on YouTube >