sub-triangles to no longer be equilateral, but to more closely
approximate the surface of a sphere.
-http://en.wikipedia.org/wiki/Geodesic_dome
-http://en.wikipedia.org/wiki/Buckminster_Fuller
+https://en.wikipedia.org/wiki/Geodesic_dome
+https://en.wikipedia.org/wiki/Buckminster_Fuller
Written by Jamie Zawinski; 2013.
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