Re: gerber outline

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From	Hul Tytus <ht@panix.com>
Newsgroups	comp.arch.embedded
Subject	Re: gerber outline
Date	Mon, 28 Feb 2022 23:07:08 -0000 (UTC)
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I did look at Oshpark's .cam data but not what you have mentioned.
The outline code appears ok now but I'll keep your suggestions on record 
just in case something changes.

Hul

Theo <theom+news@chiark.greenend.org.uk> wrote:
> Hul Tytus <ht@panix.com> wrote:
> > 
> >    Ospark.com's quote section took a gerber .zip file (generated by Eagle 
> > version 3.5) and said it couldn't find the board outline. It showed a few 
> > other problems too which have been fixed, thanks to several people showing 
> > working gerber code. Oshpark's need for a different form of board outline 
> > seems to be the only remaining difficulty.

> It's been a while since I last used Eagle, but as I remember:

> You draw the board outline on the Dimension layer 20 - ie if it's a rectangle,
> four lines forming a closed loop.

> I've not used Oshpark but it seems their CAM export script takes it from
> there:
> https://docs.oshpark.com/design-tools/eagle/generating-gerbers/

> (on other CAMs you may have to add the Dimension layer to copper gerbers so
> the fab picks it up from there, but that CAM generates a separate
> .boardoutline.ger file)

> >    I'm hoping someone who has used Oshpark (or 4pcb.com?) will send a Gerber 
> > .zip file that has been accepted to me at gbx@rs-big-print.com. This will 
> > provide a "known good" example of a board outline that I can use as a model 
> > when generating gerber files. Also, it needn't be generated by Eagle but just 
> > be in accordance with Oshpark/4pcb's expectations.

> If you did the above, is there something wrong with your lines that they
> aren't being picked up?  Does a Gerber viewer make sense of your
> .boardoutline.ger file?

> I don't have any examples I'm afraid, but when I was using Eagle the
> dimension layer was picked up by the fab successfully (although I do recall
> first time around having this problem as I failed to tick it in CAM export)

> Theo

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gerber outline Hul Tytus <ht@panix.com> - 2022-02-28 19:54 +0000
  Re: gerber outline Theo <theom+news@chiark.greenend.org.uk> - 2022-02-28 22:54 +0000
    Re: gerber outline Hul Tytus <ht@panix.com> - 2022-02-28 23:07 +0000

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