While not really what you're asking about - how about fractals using video feedback (essentially analog fractal computation): https://www.youtube.com/watch?v=J

While not really what you're asking about - how about fractals using video feedback (essentially analog fractal computation): https://www.youtube.com/watch?v=Jj9pbs-jjis https://www.youtube.com/watch?v=Jj9pbs-jjis