ack
thingiverse
A customized version of the model at http://www.thingiverse.com/thing:74322 was created using the Customizer app, with a hole diameter of 10mm, 12 layers, layer height of 0.2mm and an image file named lithopane20130418-17918-1d99ton-0.dat. Follow the instructions provided to print this unique design.
Download Model from thingiverse
With this file you will be able to print ack 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 ack.