Lithopane box for 100x75mm vertical lithopanes

This is a Lithopane box that I had originally modeled for my little sister. The photos will show captions above the lithopanes, however the box on here is blank. I have received a ton of interest from people who want to purchase these so to remain fair to them and you, I am only offering a blank .STL file rather than the SLDPRT file with the editable text. This box was designed to fit 3 lithopanes at 100mm tall and 75mm wide and 3.7mm thick. (photos cropped in 4x3 format) This was designed with