Lithophane light box

Lithophane light box.

You can use this box with lithophane with setting "height:4mm", "base:1mm", "width:57mm", "depth:57mm", "darker is higher", "zero smoothing".

Light source I use was..
https://www.aliexpress.com/item/Ultra-thin-led-down-light-3w-4w-6w-9w-12w-15w-18w-24w-led-ceiling-recessed/32360982126.html