To my pleasant surprise, my rendering techniques class is using POV-Ray. 
  Finally I get to show off a little.  The first assignment involves 
tweaking a scene with a sphere and a plane in it.  Our task is to make 
it more interesting.  We can add more spheres and planes, but the only 
objects we can use our spheres and planes.

So I wrote a macro that takes a couple of splines and color maps, and 
produces sphere sweep like snake.  I even came up with a clever title 
for it.  ;)


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