There are two versions of this item, horizontal and vertical.  Both require a 4:3 aspect ratio photo run through https://lithophanemaker.com/Curved%20Lithophane.html

For a portrait version print:

• vertical-lithophane-light-v2-top-1.stl
• vertical-lithophane-light-v2-base.stl
• lithophane-light-light-bottom.stl
• lithophane-light-light-top.stl
• lithophane-light-pin.stl

For a landscape version print:

• horizontal-lithophane-light-top-1.stl
• horizontal-lithophane-light-bottom-1.stl
• lithophane-light-light-bottom.stl
• lithophane-light-light-top.stl
• lithophane-light-pin.stl

The Lights are designed to work with the following items:

M3 Threaded Inserts: https://amzn.to/3sLK89A

DC Switch: https://amzn.to/3quTRxW

DC Jack: https://amzn.to/3z9V6H3

Power Supply: https://amzn.to/3FGswzp

LED's from Inspired LED: https://www.inspiredled.com/product/12v-ultra-bright-flexible-led-strip-lights/

You will need some wire and soldering equipment to complete the light.