seeed studio does 4-layer PCBs!

[eldentyrell]

Hooray.  These guys have made PCBs for untold numbers of fpga miners, including all of mine and at least some of rph's.  Now they offer 4-layer boards:

  http://www.seeedstudio.com/depot/fusion-pcb-service-4-layers-p-1383.html?cPath=185

Seeed has unbeatable capabilities and pricing for small runs of PCBs.  If you only want 10 of something they're hard to beat (just don't expect any hand-holding).

They fundamentally changed my approach to making PCBs; experimenting is so cheap that at one point I was sending out a board design every 3-4 days, with up to five designs "in the pipeline".  When it only costs $10-$20 to try something instead of $100-$200 you start to look at development differently.

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[invader]

Thanks for sharing, will use their service someday with such good prices.
It's so great that multilayered PCB's starts to be very affordable for DIY'ers.

[hardcore-fs]

Before you get all hot and sticky...
Just take a look at the drill accuracy...and the "punch thru" of the pads.....

http://dangerousprototypes.com/wp-content/media/2013/03/Fusion-PCB-Service.jpg

[MrTeal]

$90 for 10 4"x4" 4 layer boards is pretty stellar. I generally use Advance Circuits as they do great work and I pretty much get a stencil with everything, but if you're making a 4 layer at home it's pretty tough to beat that price.

[crazyates]

I hate rezzing old threads from the dead, but...

Anyone smarter than I ever looked into using them for Klondike 16 or 64 boards?

[steamboat]

I hate rezzing old threads from the dead, but...

Anyone smarter than I ever looked into using them for Klondike 16 or 64 boards?

Mhm. They aren't competitive with high volume.

[allten]

Wow,
   Thanks for sharing. Definitely give it a try for the Avalon Quarter Stick prototype.
Hopefully it will be ready in the next few days.