During certain times of the year, I will find sea urchins on the beach. Mostly they are crushed or in pieces. But, on occasion, I find whole urchin shells. Amazingly, I will find tiny urchin shells intact amongst several broken shells that are much thicker and sturdier.
Inspired by the beauty and tenacity of these delicate shells, I created a tangle called C-RCHN. Here it is.
Notice how the tangle progresses.
First, a picture of the sea urchin that inspired this tangle: