Here's a model with a tutorial to make a nice illuminated lithophane!

Head to [https://tool.itslitho.com](https://tool.itslitho.com) and upload your picture, then set these attributes:

Shape options

Frame options

It should look like this:

Then, click on the download button on the bottom right, and place it in your slicer.

To build a night light, download the night light file and arrange the lithophane to fit on the model like so:

To get the lithophane to stack on top of the candle base in Prusa Slicer, move the base to the 0 mm Z position so that the flat spot is right at the bed surface, like so:

Then, select both objects, right click, merge them, and move the object's Z to be back on the bed.  The model will look like this:

For best results, print at a slow speed at a low temperature with plenty of part cooling.  Use a 0.08 layer height for the best-looking texture.

Use a light filament, like eSUN white PLA: [https://www.amazon.com/dp/B0CS2XHNKL](https://www.amazon.com/dp/B0CS2XHNKL)
If you're making a night light, you can attach it to one of these: [https://www.amazon.com/dp/B0BCCB1XT2](https://www.amazon.com/dp/B0BCCB1XT2)
The tea candle holder holds 1.5" candles, like these: [https://www.amazon.com/dp/B0CCRKPSF9](https://www.amazon.com/dp/B0CCRKPSF9)