Wow! I can't remember the last time I seen so many ways to complicate a
problem :-)

A couple years ago I did some "interesting" (132 LEDs in three concentric
circles) things with LEDs and encountered this same problem, I was using
Eagle at the time. After a bit of reading the help files I figured out how
to control it from a script file. Then it was just a little math to figure
out where they needed to be which lead me to Excel... Eventually I had it
set up to do all the math for placement and incrementing part names. One
part per line. Then in another column I concatenated all the various fields
together into a properly formatted command. Final step was just cut and
paste that column into notepad, save and run it from within eagle.

Since then I've used the technique about a dozen times, whenever I need
something placed in some kind of array, or when a part has to meet an
opening in an enclosure or something. It's really pretty easy once you've
done it once.

-Denny
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