Eagle, smegle, now this is thinking outside the box. I wonder where I can find some steel wire. Will it rust in time?
http://www.geocities.jp/arduino_diecimila/obaka/project-7/index_en.html
Lefty
Pretty cool, but I would be SO afraid of making a short somewhere.
That is really neat.
Rob
That's great!
I have an artistic answer to the short problem:
http://www.plastidip.com/home_solutions/Plasti_Dip
Get a small paintbrush and red for power, black for ground, blue for signal,...
See we nerds can play the "Arduino is art" game also. 
This reminds me of the way I used to to prototype circuits in the 70s, Two rails of 22 SWG tinned copper representing the two rails and then put the components between them to match what the schematic looked like.
Very neat project!
I like plastic dip too!