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Subject: Re: [geda-user] PCB, 2 parts physically in the same place
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From: "Richard Rasker (rasker AT linetec DOT nl) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Date: Mon, 26 Oct 2020 13:37:41 +0100
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Hello Gene,

Op 26-10-20 om 12:21 schreef gene glick (geneglick AT optonline DOT net) [via 
geda-user AT delorie DOT com]:
> Richard,
> Yes, that makes sense. Once overlaying the parts, it won't allow 
> setting the thermals - so your approach of setting the thermals first, 
> and then overlapping the parts surely should work.
>
> I sort of think the DRC warning is because the holes for the header 
> and the display are not 100% the same size. One of the parts drill 
> size is 0.045 while the other is 0.040. Both have annulus of 0.015

The difference in drill size on its own can't cause the warning -- I 
just tested that (35 mil hole for the display, and 45 mil for the 
header). And it isn't the annulus overlap either that is deemed to small.

Does the warning disappear when you give all holes equal dimensions? So 
selecting the holes from both the header and the display together, and 
then command

:ChangeDrillSize(Selected, 40, mil) and

:ChangeSize(Selected, 70, mil)

(You may want to turn off all layers and elements except pins and pads 
to prevent resizing other objects, especially with the last command.)

Regards,

Richard