Building a SD card adapter

I'm building an SD card adapter. I'd love to hear from anyone that's
done this before and has any suggestions. I bought a SD card connector
(the female kind that receives a SD card) and opened up a third party
memory card to pillage its connector. The memory card connector is
just a card edge on the PCB, and the copper fingers are swallowed up
entirely by the GameCube, so there doesn't seem to be any hope of
soldering directly to the fingers. None of the important signals (cs,
miso, mosi, clk) go through a via, so I can't get the signals there.
The signals go straight into a block blob on the printed circuit
board, so I can't solder to a leg on a chip either. In short, it
doesn't look like this memory card's going to be of any use to me. The
best bet seems to print my own circuit board, but I don't have any
experience with that, and I doubt it would be cheaper than
buying/importing a SD card adapter.

So, any suggestions? If you've built an adapter, how'd you do it?

Cheers,
Shaun


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