Elegoo Centauri Carbon 2 GEEETECH Adapter - Fast

I decided to make this genius model for free.I noticed with my Elegoo Centauri Carbon 2 that the GEEETECH spools don't really fit on the filament holder due to their large inner diameter, or rather, the retraction function of the holders of the Elegoo Centauri Carbon 2 no longer works.Therefore, I designed an adapter that can be printed in vase mode. The design is optimized for a 0.8mm wall thickness. This can easily be printed with a 0.4mm nozzle; simply reduce the speed slightly to ensure sufficient material melts.To use, simply insert the adapter into the coil, which is incredibly easy thanks to its flexible design. Then, place the coil with the adapter onto the original ECC2 holders.After that, the adapter can be easily attached. Please be careful of your fingers, as the adapter extends all the way to the back wall. The design of the adapter is both precise and flexible, allowing the coils to be held securely in place with a gentle clamping motion.To remove the adapter, grasp i