Bubble Ring Machine
thingiverse
This is an automatic bubble ring maker I modeled after this patent https://patents.google.com/patent/US6488270B2/ Its a clever mechanism that produces a bubble ring every few seconds. Air fills the underside of the device, and when the buoyancy of the air overcomes the weight of the flipper the lever flips up and releases a blip of air that forms a bubble ring. Here's a link to my YouTube video where you can see it in action https://youtu.be/rOCKjaYaYhg?t=245 Here is the original Inventors Website https://www.bubblerings.com/
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