Over 50 years ago, a learned person introduced me to the joys of Fibonacci sequences and geometric patterns. I didn't use the mathematics much after that, but I did come to appreciate the geometry and the art of Fibonacci patterns.
This one, using 3D-printed objects that are then spun, is simply wonderful [via Ralph]:
Long-time readers of Eclectecon or Facebook friends will recognize the pattern and my attachment to it. For many years my "cover photo" on Facebook was the photo shown below. It will also be one of the photos featured in my upcoming photo exhibition, "It's Only the Beginning" at The Arts Project in London, Ontario, Feb 24 - March 7.
This photograph is called "Fibonacci Explosion":