nostr:npub17yfvmsc0j6m8694pxy8lrdnh6lf5f35lfke9ywdny7l5x5vt3kzqm4cf98 Yes, it's a random knot every time.  I place a bunch of points randomly in space and then draw them together into a chain with a simple physics simulation.

Scroll back a few months through my posts to see various others.