Made something for my nan. It's her favourite photo of my granddad in his Coldstream Guard uniform that I turned into a lithophane.
I printed a box to house some LEDs with a hole for the wires and the switch wired it all up, here's the end result.
#loveyournans
http://i.imgur.com/OL7gpXc.gif
http://i.imgur.com/s9qvbYu.jpg
And with it powered off it just looks like a strange image
http://i.imgur.com/0h8WOzE.jpg