Since Peter Parnes   posted his lithophane,

Since @Peter_Parnes posted his lithophane, I couldn’t resist this picture of one of mine which shows the same piece front lit (left) and backlit (right). Printed on a +printrbot Plus (v1) in ABS


What layer height did you use for this?

Almost (but not quite) 200 micron. Whatever it works out for an even turn of my ACME rods (like .197 or something).