Hmmm, I could imagine adding/drawing a square (the tooling path which the tool bit follows) on a special "tooling" layer and negotiate with the board house or DIY if you happen to have access to a small router / milling station.
This is similar with stuff drawn on the special "outline" layer. Drawback: nowadays it is not possible to include "special" stuff in a footprint. Tool bits can follow a path based on the [center, inside, outside] of a __closed__ figure. Pitfall #1: Center is based on tooling bits diameter, negotiate in advance with the board house for the tool bit diameter. Pitfall #2: Outside is unlikely for this occasion, very small hole dimensions (2.1 mm) requires a very small tool bit diameter. Pitfall #3: In general, the smallest (allowable) fillet determines the tool bit diameter and thus the total tooling time, small diameter tool bits are expensive w.r.t. tooling time. Just pay or negotiate with the board house for a lean solution (tool bit changes). On this occassion tool changes will cost you more than tooling time. Pitfall #4: The (most likely) board thickness (1.6 mm ~63 mil) is almost equal to the dimensions of the aperture (2.1 mm ~83 mil), this possibly leaves a small angle for the line of sight (visibility). Just my EUR 0.02 Kind regards, Bert Timmerman. -----Oorspronkelijk bericht----- Van: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Namens Mark Rages Verzonden: zaterdag 26 juli 2008 7:15 Aan: gEDA user mailing list Onderwerp: Re: gEDA-user: Pin statement On Fri, Jul 25, 2008 at 9:46 PM, Kai-Martin Knaak <[EMAIL PROTECTED]> wrote: > On Fri, 25 Jul 2008 15:09:14 -0400, Robert Butts wrote: > >> Will the Pin statement in the footprint definition below give me a >> 2.1 mm square hole with no copper annulus? > ^^^^^^ > How would a drill for square holes look like? ;-) > http://upper.us.edu/faculty/smith/reuleaux.htm I'm not sure that my board house offers reuleaux drills, however. Regards, Mark [EMAIL PROTECTED] -- Mark Rages, Engineer Midwest Telecine LLC [EMAIL PROTECTED] _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user