While the Original required a cardboard core this remix is made to work without a Cardboard core. I also optimised the model in terms of vertix count and material used.
The inner diameter of the adapter is supposed to be ~82mm while the outer diameter is ~103mm.
Link to the Original: https://www.printables.com/de/model/438986-inland-spoolless-filament-to-bambulab-adapter-spac
Link to the Masterspools used in the pictures: https://www.printables.com/de/model/272767-bambu-lab-reusable-spool-holder-remix-four-updated
The author remixed this model.
While the Original of this Remix required a cardboard core this remix is made to work without a Cardboard core. Also uses less material.