Building Jig for 4x4x4 RGB LED cube

I needed a tool to help making a 4x4x4 cube of RGB LEDs. So I built this thing. There are notches on the top of each LED holder for the R,G,and B leads, the anode points straight up.
You can build this with an unmodified Printrbot simple Maker model 1405.
Now, you have a former for the LEDs. You will find 3 small holes that go all the way through.
1. Push the 3 RGB leads into the holes as far as they will go the anode goes to the outside.
2. Fold the LED at a right angle.
3. Pull the