(5 years and 1628 days ago)
Background inspired by this tutorial http://ooglewindowblinds.com/photoshop-tutorials/design-a-pcb-electric-circuit-matrix (5 years and 1820 days ago)
I realize this is probably not what was expected, but it is what came to mind for me.
TWO MISSED SOURCES
2 http://www.flickr.com/photos/44458147@N00/2631764931/ (5 years and 2455 days ago)