3D MODEL DESCRIPTIONA small magic box is also suitable for rings and jewelry, with a magnetic opening mechanism, attaching any metal object to the side of the box will cause it to open, you need 2 magnets 5 mm in diameter and 2 mm thick, and a spring of a simple pen. All the assembly and operation instructions are in a zipped folder below, and also another zipped folder with all the settings of cura sliccer.