Lithophane Light Box with Removable Top

I love this lithophane light box by tjwittkop and made a version as a gift. The only issue I had with it was having to glue the top to the bottom, making it impossible to change out the lithophanes on the sides of the box.

So I designed extended pillars and slots so you can slide the top part onto the bottom part (using FreeCAD). The tolerance is +/- 0.3 mm which prints with a snug fit on my printer (Elegoo Neptune 3 Pro) so the top will stay in place but is still removable to change out the lithophanes. It printed quite well so I thought I would share for anyone else interested.

I also recommend printing the lithophanes with a 90 mm max size for a snug fit (see other settings in images from the original thing).

Print the bottom (body) without supports and the top with supports. I recommend connecting the support lines for the top so they pull out easier.