Customized version of http://www.thingiverse.com/thing:308109

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=308109

Using the following options:

image_file = keychain-customizable-lithopane-mark1-420141010-352-16ehhbj-0.dat
boarder_thick = 2
layer_height = 0.27
number_of_layers = 5
boarder_width = 2
tag_size = 20
ring_hole = 4.5
shape = 0