Eryone Plastic Filament Spool Centering disc for use with Filament Winder - https://www.printables.com/model/407688-bambu-lab-p1-x1-x1c-x1cc-filament-spool-switcher-w
Print both parts, as the Eryone plastic spool's have a larger recess on one side.
"Spooler Centering Disc for Eryone Plastic Filament Spool-Long_Insert" is needed to reach the centre of the spool on one side.