Remember the Helicone? It was a fun, nature-inspired mechanical toy we covered here a while back. Not ready to buy a toy like that? You could always 3D print your own. User Fungus amungus has published a guide that shows how you can create your own transforming tree toy. When twisted one way, the toy turns to show a slow spiral pattern. Spin it the other way to see a different stairstepping pattern.
Spinning Tree
The above video shows how this toy works. You can find out more on Instructables.com.
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