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Here are still more pics using my large glass sphere, and a stretched out Slinky positioned right behind the sphere. I wanted to get the sphere to distort the circular shape of the Slinky and was able to get some very abstract patterns .The first couple of pics have two smaller glass spheres in front of the big one but I couldn't figure out a way to incorporate them into what I was doing and removed them. I also used 6 mirrors and diffraction gratings on some. And lastly a few toward the end were shining two 405nm’s into gratings into the glass sphere to produce the green lines in the sphere. Enjoy.