Customized version of http://www.thingiverse.com/thing:78719

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=78719

Using the following options:

lithophane_border = 0
hole_diameter = 0
number_of_layers = 20
hole_border = 0
image_file = lithopaneatoz20130724-5378-1r1j4tz-0.dat
layer_height = 0.2