Ring + gemstone

thingiverse

Behold the ring I used for my proposal! Designed to comfortably fit over a scuba glove, it's rather spacious. To add a touch of mystery, I had it made in translucent blue PLA plastic, which emits a striking fluorescence under black light. The unique proposal took place 20 feet beneath the sea during a night dive, accompanied by an invisible ink message and custom-made 3D printed dive lights!