gEDA-user: Combining polygons

[DJ Delorie]

> Hmm...And that doesn't represent any kind of a problem in manufacturing?

Nope.

> Do you draw your ground planes as individual polygons or do you
> painstakingly draw one polygon by hand?

The polygon is cut into many polygons, such that there are no "holes"
that need to be erased.

> Better yet, do you just make one polygon and let traces and
> thru-holes make clearances in it?

We used to do that, but some fabs didn't fab the board properly.