The Menger Gasket is a cube-based recursive fractal object
analagous to the Sierpinski Tetrahedron.
-http://en.wikipedia.org/wiki/Menger_sponge
-http://en.wikipedia.org/wiki/Sierpinski_carpet
+https://en.wikipedia.org/wiki/Menger_sponge
+https://en.wikipedia.org/wiki/Sierpinski_carpet
Written by Jamie Zawinski; 2001.
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