I'm wanting to build an ortholinear board with a series of 1.25u keys on the bottom row...
![](http://www.ishpeck.net/orthosymmetrical-layer-0.png)
I was about to sit down and force myself to learn how to use CAD software but I realize this doesn't seem all that unique of an idea and it may be that somebody's already built such a plate. So I figured I'd ask.