Thumbs Up!
thingiverse
A personalized version of http://www.thingiverse.com/thing:74322 has been crafted using the Customizer tool at http://www.thingiverse.com/apps/customizer/run?thing_id=74322. The design features an image file named 'lithopane20130515-17909-1ww49jf-0.dat', with a hole diameter of 10 mm and 12 layers, each with a layer height of 0.2 mm.
Download Model from thingiverse
With this file you will be able to print Thumbs Up! 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 Thumbs Up!.