My goal with this lamp was to explore the limits of the technology. The full story can be found here: The Story of Twisted Star Lamp.
Originally designed as a gift for a graduating medical student, this pendant has proven to be a big hit with professionals in the medical field. Its available for purchase here: Rod of Asclepius Pendant.
This piece is based on a drawing from a mathematical book published in 1940. While the shape would be very difficult to manufacture any other way, 3D printing makes it simple. If interested, you may purchase it here: Hole thru a hole in a hole or download the model from Thingiverse for remixing or printing on your machine.