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How can I add light to the star on the right hand side (2B) in order to achieve the desired result (2A - picture on the left)?

enter image description here

How would you do that in Photoshop / Illustrator? Do you know good tutorials I can find about this topic on the internet?

Thank you and kind regards, Silvan

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  • That wasn't done in Photoshop or any image manipulation app, it was done in 3D modelling software.
    – Tetsujin
    Commented Dec 17, 2022 at 16:55
  • Ok. But would it be possible to achieve a comparable result in Photoshop?
    – Silvan
    Commented Dec 17, 2022 at 17:57

1 Answer 1

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That is very likely done in 3D modelling software, where it's just a matter of modelling a light inside it.
You can get something a bit like it in Photoshop using exposure & inner glow.

First separate out the glass elements to a new layer. Increase exposure to make it lighter, then add a little inner glow which appears to make the light slightly stronger in the centre, fading to the edges.

This is a very, very rough attempt on just a few panels…

enter image description here

I'm not convinced, even allowing for the inaccuracies in my initial selection. I merged down the original exposure separation so I can't show the steps properly. Here are a couple of the steps.
Click for full size

enter image description here

enter image description here

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