A breadboard friendly  Bi-Color 5x7 display utilizing 0606 LEDs  on 0.6x0.9 matrix. Pins of the display are arranged so that they are reversable thus changing color is possible.

A horizontaly stackable version of the board with connection pins on top and bottom with same reversable capability might be better suited for larger display assemblies





Documents
Schematic
PCB layout files  EasyEDA
Gerber Files  pins on sides
Gerber Files  pins on top & bottom