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I need to create this kind of light beam style render and I was wondering if it was possible in Blender or if it should be done in post/AE.

I tried different approaches but I'm not getting a good result.

-First approach: volumetric cube: The rest of the light in scene gives it a very washed out look. Maybe isolating just the top emissive part and compositing after could look good.

-Second approach: I tried also adding a particle system with some planes. Each plane had a light beam with an alpha channel but didnt work out.

Do think there's a better way to do it?

Thank in advance, Jose enter image description here

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    $\begingroup$ There are probably a few ways you can do this through "traditional lighting" (volumetrics and whatnot), however, I think it would be most easily accomplished by using a high brightness for the "light source" and then run the render result through a Glare node in the compositor. Unless there's some special reason you're trying to avoid post, I think this would be the easiest way. $\endgroup$
    – Christopher Bennett
    Commented Jun 6, 2022 at 3:07
  • $\begingroup$ you could use this trick (a Layer Weight as factor between an Emission and a Transparent): blender.stackexchange.com/questions/227887/… ... same topic: blender.stackexchange.com/questions/260698/… $\endgroup$
    – moonboots
    Commented Jun 6, 2022 at 8:19

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