Models
55mm 3D Printable Models. Makeshape.co have 2 55mm 3D Printable Models.
75 mm to 55 mm reel adapter hub (friction fit for Geeetech reels, fits well on Bambu A1 AMS)
Thingiverse
WaterLooManToo
Free
The Clip-On Lens Cap Holder
Thingiverse
DotScott1
Free