Clicky-clacky links you can snap together into a chain to satisfy your urge to fidget.

A friend described a fidget toy he had got as a present from his sister. I wanted it, so I CAD'ed up something similar.

TODO: Add detent features to make it more satisfying to clack between conformations

Rev A: First release
Rev B: Thinned the design down so that links can be bent to a full 90 deg angle, rounded back corners