thanks for the suggestion about putting some text inside the cutout
area. one thing i tend to forget is that people do actually look at the
gerbers. i get in this mode where i think all they do is blindly submit
them to a machine and a pcb comes out the other end. i'll make a
readme file too.
miker
> -----Original Message-----
> From: Peter Bennett [SMTP:[EMAIL PROTECTED]]
> Sent: Wednesday, July 18, 2001 5:11 PM
> To: Protel EDA Forum
> Subject: Re: [PEDA] irregular shaped holes ??
>
> Robison Michael R CNIN wrote:
> >
> > thanks peter,
> >
> > recently we acquired some gerbers for a board that had a hole in it
> > that was used as a handle. i tweeked some of the silkscreening
> > and sent it off to advanced circuits and they produced the board with
> > no problem. i did call them and ask if they could do irregular holes
> > (not pads) first.
> >
> > so there is evidently some sort of standard for denoting these sort
> > of holes. unfortunately, its difficult for me to reverse engineer the
> > former card's gerbers to see what sort of actions i need to take in
> > protel to produce it.
> >
> > hmm... i've got an idea now. i went to tools/preferences/display/
> > and selected single layer mode and went thru the various layers
> > and the mechanical4 is the only layer which displayed the army-
> > green board outline. i'm gonna venture a (dangerous) guess that if
> > i put the hole outline on this layer that it would be noted as a hole.
> >
> > any general consent on that?
>
> If you include Mech4 on the gerbers for the copper layers that should
> work. For large cutouts like that, I would also place text in the area
> to be removed saying "Cutout 1" x 4" " to indicate the area to be
> removed, and its approximate size, as well as mentioning the cutout in
> the readme file.
>
> --
> Peter Bennett
> TRIUMF
> 4004 Wesbrook Mall, Vancouver, BC, Canada
> GPS and NMEA info and programs:
> http://vancouver-webpages.com/peter/index.html
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