If you use BambuLab's refill rolls and need spool which can be taken apart and used on another roll, that's perfect spool for You! It's easy, it's cheap and only 110g (both parts).
Made from scratch, and inspired by: Rosa3D MASTERSPOOL (https://rosa3d.pl/portfolio-items/refill/).
If you liked the design consider donating: https://www.buymeacoffee.com/3d_pepe