Building the World's Weirdest Fan

Fantastic! I especially love how you share your trial and error.   

Had a thought while watching today. This design could easily be ported to medical devices, which is would be incredibly useful right now. I don't know how practical it would be to scale this down to move only the amount of air lungs need, but you really have something unique here that has the potential to help a lot of people, if you can manufacture en masse.

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