Here's a Charles Darwin lithopane to celebrate Darwin Day 2017.

Yay science!

Customized version of http://www.thingiverse.com/thing:74322

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=74322

Using the following options:

image_file = lithopane_new20170212-5704-q4ijv2-0.dat
picture_shape = standard
pane_size = large
text_line_5 =
text_line_4 =
text_line_3 =
text_line_2 =
text_line_1 =
text_reverse = no
text_vertical_position = -80
layer_height = 0.15
number_of_layers = 20
include_hole = no
picture_orientation = vertical
text_size = 10
hole_diameter = 10