Lithophane Tester - 100mm diameter, 6mm thick, 60 x 0.1mm steps

This thing is meant to be used as a test for lithophane settings.

It is a total of 100mm in diameter, 6mm thick, and uses 60 x 0.1mm 'steps' to show you how much light your filament lets through or blocks.

Use it to dial in things like overall thickness of your lithophane and to see the difference between filaments.

For example, holding it up to a lower luminosity light source you may find that a lithophane 3mm thick would be the right thickness.

Holding it in front of a window with