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Date: Mon, 11 Jan 2016 08:57:49 +0100
From: "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Subject: Re: [geda-user] Primitive electrical types --> layers
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> >   3. For board outline is a good idea to use a filled polygon instead of a line?
> >   4. For a board howto draw a slit? Cutout in outline polygon?
> 
> My board vendors reliably mill my boards by the outline gerber, with
> lines on the outline.  Did anybody had boards made where the outline was
> specified as a polygon?

I also got board manufactured with an outline. It is a little bit hard to make a cut out then there is nothing to cut from for the holes this is solved with a separate drill file but for others?

Sometimes there is a need for a slit or cut out even though discussion is a little bit theorecitcal for me since I never ordered boards drawn by pcb/gpcb with a slit or cut out but I expect to do sooner or later.

To make a cut out in board layer(s) and let gerber exporter solve the format details seems like the most general approach. Even though for simple shape like a drilled hole which is basically equal to a circular cut out in board layer it make no difference. For more complex shapes I however expect a more general approach would be good.


Nicklas Karlsson