lithopane
thingiverse
A personalized rendition of http://www.thingiverse.com/thing:74322 has been created using the Customizer at http://www.thingiverse.com/apps/customizer/run?thing_id=74322. To print this customized item, you may set hole diameter to 10mm, layer height to 0.2mm, and create 12 layers. Additionally, an image file named lithopane20130731-23405-6elja5-0.dat should be used for printing.
Download Model from thingiverse
With this file you will be able to print lithopane with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on lithopane.