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Date: Mon, 14 Jul 2014 23:40:58 -0400
Message-Id: <201407150340.s6F3ewJG012296@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: geda-user AT delorie DOT com
In-reply-to: <53C49CDB.1090606@sonic.net> (message from Dave Curtis on Mon, 14
	Jul 2014 20:15:39 -0700)
Subject: Re: [geda-user] Pin[] clearance off
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> If clearance on a Pin[] is set to zero, and a polygon is drawn over the 
> pad, does that have the same effect as "full" thermal? Or does that lead 
> to rendering artifacts? Should it be a negative clearance, or does that 
> cause oddments in the code?

It's better to use the thermal tool to remove the clearance, than try
to be clever.  CAM software might detect the "zero" width space as
violating the minimum spacing rules.