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Message-ID: <4F9A6010.7010305@schinagl.nl>
Date: Fri, 27 Apr 2012 11:00:00 +0200
From: Oliver Schinagl <oliver+list AT schinagl DOT nl>
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To: geda-user AT delorie DOT com
CC: Colin D Bennett <colin AT gibibit DOT com>
Subject: Re: [geda-user] Re: Dual SPI Flash adapter attempt 2.0
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Reply-To: geda-user AT delorie DOT com

On 04/27/12 02:05, Colin D Bennett wrote:
> On Fri, 27 Apr 2012 01:20:51 +0200
> Kai-Martin Knaak<kmk AT familieknaak DOT de>  wrote:
>
>> Oliver Schinagl wrote:
>>> So the big question is; shall I send this to seeed for
>>> fabrication
>>
>> The outline lines should look more simple. The gerbers expicitely
>> call for a milled edge at the middle of each line. So ther should
>> be a single line where you expect the fab to cut the board.
>>
>> The fabs I know, would object against such a multiple part layout
>> and charge extra for their increased handling effort. They prefer
>> layouts in one piece.
>
> You could save yourself the effort of panelization and get
> inexpensive but high-quality boards from Laen's PCB order
> <http://pcb.laen.org>, it's USD$5.00/in^2 for 3 copies (i.e.,
> $1.66/in^2 cost); International mailing is a flat rate of $15 for
> USPS Priority Mail, or $5 for standard first class.  Laen has no
> minimum size and no extra cost if you send him several small
> layouts -- he will panelize them.
Speaking purely out of cost, Seeed is much much cheaper, even if I have 
to cut the panels myself and even assuming I can't cut as narrow as I'd 
hope and mess up some pcb's.

Seeed charges 9.99 USD for 10x 5cmx5cm. So that's 50 cm^2 for 9.99. 
That's 80 of those mini pcb's. Even if I break 50% from not being able 
to cut properly, I still have 40 PCB's for 9.99 with free shipping (I 
think, but even so).

Worst case, They won't let me have 8 designs on the 1 pcb, and i'll 
strip half of them (to make cutting room) I'd end up with 40 pcb's for 9.99.

>
> Regards,
> Colin