https://www.printables.com/model/260967-filamentsca-cardboard-spool-arbor-hole-adapter/remixes
Filaments.ca Cardboard Spool Arbor Hole Adapter by Filaments.ca | Download free STL model |...
This is a simple adapter that fits into the arbor hole of Filaments.ca cardboard spools. | Download free 3D printable STL models
cardboard spool
https://www.printables.com/model/217622-cardboard-spool-ring
Cardboard Spool Ring by BuildersMark | Download free STL model | Printables.com
Simple snap on rings for flange and slip roller style filament holders | Download free 3D printable STL models
cardboard spooldownload freering
https://www.printables.com/model/594932-cardboard-filament-spool-protector-55mm-hole
Cardboard Filament Spool Protector 55mm Hole by Ichooorrr | Download free STL model | Printables.com
https://www.printables.com/model/211506-reusable-cardboard-spool-center-insert
Reusable cardboard spool center insert by Zuiko | Download free STL model | Printables.com
https://www.printables.com/model/362556-polymaker-cardboard-spool-ring-with-tabs-for-ams
Polymaker Cardboard Spool Ring with Tabs for AMS by Djngnear | Download free STL model |...
https://www.printables.com/model/695533-insert-for-cardboard-spool
Insert for cardboard spool by Martin Opalka | Download free STL model | Printables.com
Insert for spools with 77mm (3,03in) diameter. | Download free 3D printable STL models
https://www.printables.com/model/550344-sovol-cardboard-spool-adapter-for-bambu-labs-ams
Sovol cardboard spool adapter for Bambu Labs AMS by przemek_kuchta | Download free STL model |...