Step 1: Parts & Tools
Sheets of Vellum paper
Box or Shadow picture frame
12 LEDs( or more)
Power supply(regulated 5volts or Old Cell Phone Charger)
220-500ohm resistors(You do the math)
6 sticks hot glue
Step 2: Print your design
Using a straight edge, cut the paper down to size so that it fits nicely into your picture frame.
Step 3: LED layout
The drill holes in for the LEDs to fit through.
Place LEDs through holes.
Secure with Hot Glue
Use more hot glue on top of the LEDs to diffuse the light.