Here is another math function.  It is actually the same function as one I
posted before; however, this one is truly three dimensional (y coordinate is
a function of x and z), and the other was just a two dimensional graph
rotated around.  To do this I just used sqrt(x*x+z*z) to get the distance
from the centre.  One of the reasons I did this was so that I could blob the
spheres together, and I liked this effect.  It did not take as long to
render as I thought it would using blobs and focal blur.  I used corel to
blend the background in so that the exact end of the blob is harder to see.
I hope you like it, and any questions or comments, good or bad, are welcome.

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