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I'm trying to create this type of lighting effect, behind or to outline, a logo in blender. The idea is to have the light animated so its either moving or pulsating as well.

I've tried cutting the logo out of a plane and positioning lights behind both objects to try and have light seeping through but I'm not having a lot of success from that. Does any one know of a good way to create this type of look? Thanks

enter image description here

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  • $\begingroup$ You have several solutions: In the Compositor with Sun Beam for the first image, or create god rays with the help of volumetrics, or fake the rays with meshes $\endgroup$
    – moonboots
    Commented May 22, 2023 at 8:38
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    $\begingroup$ Hello. I think these particular effects are done in screen space after the rendering was done as a post-production effect (or compositor in Blender). Explore the "Glare" node for such effects.. In order to achieve these effects via a regular lighting rig and physically-based rendering you'll have to add a volumetric fog that will refract light in a way that will be hard to control, will make your render times longer and introduce a lot of artifacts or fireflies. $\endgroup$
    – Gorgious
    Commented May 22, 2023 at 8:38

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You can use the Compositor. First create your scene, for example a hole in a plane, a lid, some lights underneath:

enter image description here

Render the image. Open the Compositor, create this kind of setup with a Filter > Glare node as suggested by Gorgious, and also a Sun Beams node (it needs a Color > Alpha Over to be mixed), you can move the center of the beams: keep the node selected and move the cross, or simply move the node parameters:

enter image description here

Here is what it gives:

enter image description here

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  • $\begingroup$ Thank you - that was exactly what I was after :) Thanks all for your feedback $\endgroup$
    – Gn0mes
    Commented May 25, 2023 at 8:18

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