Here is a DIY kit with everything you need to build your own hyperbola kinetic sculpture. It is based on the concept that if you put a diagonal straight rod on a rotating base, it will trace a hyperbola shape in 3D.
You may also want to see:
DIY Hyperbola Kinetic Sculpture 😎 Gadgetify
Hyperbola clock for math lovers
This kit uses a simple servo that you can power with an AA battery. The parts are easy to put together. This works very similarly to the Hyperbola clock.
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