External spool with AMS lite Rotary

Hello guys, NOTED: This thing only work with external can be separated “the old version”, new version 2025 of A1 can't work with it. Please make sure which version of external you have before print. This model help your external spool more stable and work perfect.If you guys double it, you can make double rolls on two side of it.This model requied 2 M2.5x5mm and Ams lite rotary part. (Can find in bambu store)