Sunlu filament spool box

Sunlu Spool Upcycled Container (with Screw Lid) Got a stack of empty cardboard Sunlu filament spools and don't know what to do with them? Instead of throwing them out, give them a second life!I'm sharing a design for a practical, screw-top container that uses the cardboard center tube from a standard Sunlu spool as its main body. It's a fantastic way to organize your workshop, store screws, small parts, or any trinkets, all while reducing waste. What Makes This Project Special? Eco-Friendly & Upcycling: We're turning something that would normally end up in the trash into a durable and useful item.Solid Construction: The design consists of three printed parts that fit the cardboard tube perfectly.Secure Closure: Thanks to the threaded screw-on lid, the contents of the container are safe. Project Components The design includes 3 parts to be 3D printed, which combine with the cardboard spool center:Bottom Cap: A solid base that closes the container from the bottom. Simply