About this 3D model

Updated on 2023-12-14 The original model file (open with SolidWorks) has been uploaded. If you have any special needs, you can modify it yourself. 2023-12-12 For use with filament spools on the AMS. Note: The two files are not symmetrical, they need to be printed separately, no support is needed, and you just need to screw them on after printing. Tested in AMS, the rotation is smooth, I used 15% infill, about 170g of material is consumed.