This is a simple, but very functional, 3D printed part that securely holds a 9-volt battery and a switch attached to a small breadboard. The positive strip on the breadboard is connected to the positive terminal of the battery through a switch, while the negative strip is connected directly to the battery. The switch snaps firmly into place and the battery is held snugly in its pocket. The breadboard comes with an adhesive backing.
Download the .stl file here:
CoMo Science 
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