Warther's Pliers Chain
This little device is a chain of Warther's Pliers hinges. Not easily done by wood carving.
See the remix source for more information on how this joint can be cut from a wooden stick with just 10 straight cuts.
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This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/5jq7Fvb6tob