I don't know about you, but I need more light in my Cupcake #379. I designed and printed an LED holder in the form of a light ring. It uses 3 LED's, 3 resistors, and gets it's power from the 5v used for the optical limit switches (which I removed after one day.)Run the stl file through blender or similar, and then skeinforge with the "outside extruded first" box UNchecked in FILL and print. Ream the LED holes with a 5mm drill, install LED's, wire the LED's in parallel; with each resistor in series with the respective LED. Install the light ring on the extra length of the long 3mm screws, and plug it in. Enjoy!