I had to make it a 3x3 (2-1-2) so that the electrical interconnects with the corner pieces not be interrupted by turning the faces without building a tree of phonojacks, or having to make extremely precise overlaping cone shaped cuts into a solid base material, then inlaying wires and springs to establish the same connections.
This is also good since I can also getaway with lower build quality.
I had hoped to use this as an exercise to learn sourceforge.net:KyCAD, however the design I have come up with makes use of concentric rings to match the connectors I have designed which has made this too difficult for me to implement on my first day using KyCAD.
So I went back to Eagle to draw the inner faces of the cubes, and after learning that it would cost me $40 for enough DigiKey:tactile switches I will be building my own switches.
If this works I promise to make a this into a kit.
XD , I can implmplement the W3Schools.com:ISO 8859-1 Symbols on the extra 30 (odd) empty cells! No more will I need to remember