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

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

Using the following options:

shape = 0
tag_size = 40
ring_hole = 4.5
layer_height = 0.1
number_of_layers = 12
boarder_width = 3
boarder_thick = 4
image_file = keychain-customizable-lithopane-mark1-420250604-36-i8bcpo.dat