Summary Customized version of http://www.thingiverse.com/thing:308109 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=308109 Instructions Using the following options: layer_height = 0.1 number_of_layers = 14 ring_hole = 4.5 shape = 0 tag_size = 40 boarder_thick = 3 image_file = keychain-customizable-lithopane-mark1-420160309-25864-4e3a14-0.dat boarder_width = 3