Lithophane dim: Width 100mm, thickness 3mm to 7mm, height 100mm
I used 7mm for this, but it took a little longer to print. If yours is thinner, you can just hot glue your lithophane to the lanter from the inside.

Light source from Amazon: String Lights Battery Operated Waterproof 8 Modes 50 LED 16.4ft String Lights Copper Wire Firefly Lights Remote Control Christmas Decor Christmas Lights Warm White

Lantern topper from hardware store, used for drawer handle.

Both printed with PLA. (black and white)