When I first saw these pieces of art by Erik Natzke, I thought they were beautiful, yet puzzling. Were they oil paintings, watercolor, what? The lines sometimes were too incredibly sharp for any sort of brush painting, but since I don't really know that much about art, I just didn't think about it anymore. I just sat back and enjoyed the visual stimulation.

Today, I found out this artist creates his art using computer code! Here's a demonstration: