JF
thingiverse
A customized version of the item can be found at http://www.thingiverse.com/apps/customizer/run?thing_id=74322, with settings including 12 layers, a hole diameter of 10, and a layer height of 0.1 using the image file lithopane20130422-8135-nb52d5-0.dat. Check it out for a personalized print!
Download Model from thingiverse
With this file you will be able to print JF 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 JF.