Here is a 3D printed desk toy that creates a wave-like pattern that happens when a droplet lands on water. Simply crank the handle on the side to generate movement. If you have access to a 3D printer, you can easily print the parts to make your own desktop toy.
More gadgets like this: here
As the maker explains, this desk toy was inspired by Dean O’Callaghan’s amazing kinetic sculpture (see above video).
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