How can I create black/white/grey picture which is not lithophanes?

I recently bought the A1 Combo, and I want to create pictures like the ones shown below. However, I want to create a picture without using LED light.

Does anyone have any ideas on how to achieve what is shown in the video? Are there any tutorials available online?
Thanks a lot!

Try looking for a tutorial on how to make a Hueforge. You Tube Tutorial

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Thanks very much! That’s the term I need :smiley:

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