"Christian Walther" <cwa### [at] gmxch> wrote in message
news:pan### [at] gmxch...
> If you want the whole curve to lie outside of the circle, you have to take
> h = 4/3*(sqrt(2) - 1) = 0.552284750. Then, the radius difference is
> between 0 and 2.725e-4.
>


Great, thanks.  I'll use these constants for now and study that link in the
case that I should want to try something more ambitious-- perhaps an eight
point circle.  I'm eventually considering making an extrusion in the shape
of an arm or leg, one that moves.

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