Reusable spool maker

3-Part Adapter for Converting Cardboard Filament Spools to Bambu Lab Refill-Compatible Spools

Reuse your old cardboard filament spools by converting them into fully Bambu Lab Refill-compatible spools using this easy 3-part adapter system.
Designed for makers who want to reduce waste while keeping full compatibility with Bambu Lab refill spool dimensions, these adapters screw securely into both sides of a standard cardboard core and lock together via a central bridge piece.