This project is a PCB for connecting TLC 5940 boards which I use for controlling LEDs and servos installed in model railway structures.

PCB layout

It can be used in two ways: If I have enough space at the bottom of the structure, I often glue the board directly to the bottom. Otherwise, I let wires float out of the structure and mounts the board on the model railway framework instead. Mounting holes are included for the latter solution while the wide border round the board leaves ample room for gluing. The border has no circuitry, so you can easily cut it down to fit the structure.