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Date: Mon, 7 Nov 2011 13:48:57 +0100
Message-ID: <CACwWb3AtsF-oQcpMP-iv4QSENjqUdfHUBBKkenTwvKhNxtBm8Q@mail.gmail.com>
Subject: Re: [geda-user] slots in pcb
From: Levente <leventelist AT gmail DOT com>
To: geda-user AT delorie DOT com
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FYI, I wrote a c++ program that merges a dxf with a PCB file. It maps
layers.

http://git.logonex.eu/?p=3Dutils4geda.git;a=3Dtree;f=3Ddxf2pcb;h=3Db6629bb9=
9832f42d663e9cf9af8a99e3e7dd496c;hb=3DHEAD

Levente

On Mon, Nov 7, 2011 at 12:55 AM, Gus Fantanas <fantanas AT innocent DOT com> wrote=
:

> On 11/06/2011 10:21 AM, Charles Lepple wrote:
>
>> On Sun, Nov 6, 2011 at 7:18 AM, gene glick<geneglick AT optonline DOT net>
>>  wrote:
>>
>>> PCB has not yet developed a slot mechanism.  So, I was wondering if
>>> anyone
>>> has tried to make a slot by placing several overlapping vias in a row t=
o
>>> approximate the slot?  Seems to me the pcb fab shop might not like it
>>> since
>>> the drill bit will wander around.
>>>
>> Depending on where you send the board, you might just be able to mark
>> an outline on the fab drawing as a slot, and they can cut it with a
>> router bit. I'm pretty sure I did this with 4PCB.com once.
>>
>>  In my case, I am given a DXF file with the board outline, slots, holes,
> etc. I then import it to PCB (import it to qCAD, print it as ps; convert =
it
> to encapsulated ps with 'ps2epsi'; convert it to pcb using 'pstoedit' wit=
h
> the '-usbbfrominput' and '-f pcb' options), so I have the slots in PCB.
> I've dealt with Sunstone Circuits, who told me they can cut the slots if =
I
> choose their full-feature service, but not the quick turnaround service.
> So, I guess you could draw your slots in qCAD or Inkscape and import them
> to PCB.
>
> In fact, it seems to me you can let other programs, such as qCAD and
> Inkscape, do whatever PCB cannot do very well=E8=AC=A1ith the exception o=
f
> buried/blind vias and, perhaps, rotations by angles which are not multipl=
es
> of 90 degrees.
>

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FYI, I wrote a c++ program that merges a dxf with a PCB file. It maps layer=
s.<br><br><a href=3D"http://git.logonex.eu/?p=3Dutils4geda.git;a=3Dtree;f=
=3Ddxf2pcb;h=3Db6629bb99832f42d663e9cf9af8a99e3e7dd496c;hb=3DHEAD">http://g=
it.logonex.eu/?p=3Dutils4geda.git;a=3Dtree;f=3Ddxf2pcb;h=3Db6629bb99832f42d=
663e9cf9af8a99e3e7dd496c;hb=3DHEAD</a><br>
<br>Levente<br><br><div class=3D"gmail_quote">On Mon, Nov 7, 2011 at 12:55 =
AM, Gus Fantanas <span dir=3D"ltr">&lt;<a href=3D"mailto:fantanas AT innocent.=
com">fantanas AT innocent DOT com</a>&gt;</span> wrote:<br><blockquote class=3D"gm=
ail_quote" style=3D"margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(2=
04, 204, 204); padding-left: 1ex;">
<div><div></div><div class=3D"h5">On 11/06/2011 10:21 AM, Charles Lepple wr=
ote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin: 0pt 0pt 0pt 0.8ex; borde=
r-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
On Sun, Nov 6, 2011 at 7:18 AM, gene glick&lt;<a href=3D"mailto:geneglick AT o=
ptonline.net" target=3D"_blank">geneglick AT optonline DOT net</a>&gt; =C2=A0wrote=
:<br>
<blockquote class=3D"gmail_quote" style=3D"margin: 0pt 0pt 0pt 0.8ex; borde=
r-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
PCB has not yet developed a slot mechanism. =C2=A0So, I was wondering if an=
yone<br>
has tried to make a slot by placing several overlapping vias in a row to<br=
>
approximate the slot? =C2=A0Seems to me the pcb fab shop might not like it =
since<br>
the drill bit will wander around.<br>
</blockquote>
Depending on where you send the board, you might just be able to mark<br>
an outline on the fab drawing as a slot, and they can cut it with a<br>
router bit. I&#39;m pretty sure I did this with 4PCB.com once.<br>
<br>
</blockquote></div></div>
In my case, I am given a DXF file with the board outline, slots, holes, etc=
. I then import it to PCB (import it to qCAD, print it as ps; convert it to=
 encapsulated ps with &#39;ps2epsi&#39;; convert it to pcb using &#39;pstoe=
dit&#39; with the &#39;-usbbfrominput&#39; and &#39;-f pcb&#39; options), s=
o I have the slots in PCB. I&#39;ve dealt with Sunstone Circuits, who told =
me they can cut the slots if I choose their full-feature service, but not t=
he quick turnaround service. So, I guess you could draw your slots in qCAD =
or Inkscape and import them to PCB.<br>

<br>
In fact, it seems to me you can let other programs, such as qCAD and Inksca=
pe, do whatever PCB cannot do very well=E8=AC=A1ith the exception of buried=
/blind vias and, perhaps, rotations by angles which are not multiples of 90=
 degrees.<br>

</blockquote></div><br>

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