[SML] question for router wizards

[taco at peak.org]

<stagecraft at theatrical.net> wrote: 
> So for an ellipse with a size of 10 x 8 the focus is: 
> 
> Sqrt(5^ - 4^2) = Sqrt(25 - 16) = Sqrt(9) = 3 
> 
> And the string is 
> 
> 2*(5+3) = 16 

"I was told there would be no math..." 


No worries. You've just seen how easy it is to get someone else to do it for you. 
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