This model is based on the Bambu Lab Reusable Spool - Minimal Version, but with the center hole adjusted to fit the axle of the Winder Spool Holder of the Bambu Lab Filament Spool Switcher.
It uses the same 0.2mm solid infill as the original for strength and minimal material use. The adjusted center hole allows direct mounting onto the switcher axle without requiring centering discs for proper fit.
The optimized fit should prevent any wobble during winding operations when using this reusable spool with the Bambu Lab Filament Spool Switcher.
The author remixed this model.