Lithophane light box

EDIT: I added 2 slightly revised files (for the box and the top). They are slightly modified for better visibility of the lithophane from the sides and top. Beveled on the sides and bottom. And the top was adjusted to not cover the top edge of the lithophane.

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This is a lithophane light box that I designed for a specific sized and curved lithophane (links and info later in the description). It is definitely over engineered and not for everyone, but some people liked it and wanted me to offer it on Thingiverse, so here it is.

NOTE - I would recommend using eSUN PLA+ Cool White for your lithophane as it gives very good contrast and definition. That is what I used for the lithophane images I have posted here.

My box takes 12V Super White COB led lights and requires a cord. (I may design a battery operated one later) - I have several different configurations of