Jack Litho
thingiverse
A tailored version of http://www.thingiverse.com/thing:74322 has been made with Customizer! (http://www.thingiverse.com/apps/customizer/run?thing_id=74322). To print, set the layer height to 0.12 and have 20 layers. Include a hole diameter of 10mm and use image file lithopane20130502-17926-pddjnn-0.dat for the design.
Download Model from thingiverse
With this file you will be able to print Jack Litho 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 Jack Litho.