27-LED Stubby Flashlight (5mm)

This is a stubby flashlight that holds twenty-seven 5mm LEDs and has a cutout on the bottom for a 12mm size pushbutton switch. Both the LED and switch mounts are removable and are secured via a number of small screws.

You'll need to figure out how much voltage you'll be using and the appropriate resistor(s) for your LEDs.

UPDATE: I've included a three-switch bottom plate for those using RGB LEDs (or similar). I've also included an extension that can be printed in case you need to make your