Universal Headlights for Glasses
thingiverse
I designed this as a universal headlight attachment for glasses. Use a 5mm LED and a 2032 button battery. Trin the LED connectors and place the LED into the cap. Them place the cap onto the mount so that the LED connects to the battery z9one connector touching positive and the other touching negative. I was able to twist the caps to turn light on and off.
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