I am modeling a laser light in Blender, but I am not sure how to get the results i wish to have. The result should look like the Picture:enter image description here



Use an image as the texture for a lamp. (See Avoid distortions when creating projector effect)

and add volume scatter to the world (or create a mesh around the scene as voume scatter domain) so that the beam becomes visible.

enter image description here

Click on the image to enlarge.

More info on volumetric lights and scatterning here and here


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