About this 3D model

The filament spool model can be well installed with the Bing filament roll, but the actual diameter of the spool is less than 18cm, it cannot be used normally on AMS. According to the official Bambulab spool size ( Consumables Preparation - Drying | Bambu Lab Wiki ), I have drawn a ring model and added it to the original model so that it can rotate normally on the AMS.