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I am doing a zooming in and out animation for symbols. And it suppose to have an edge glow, like in the example photo.

enter image description here

Is it possible to achieve without volumetric lighting because the lighting of the symbol should not be affected. I also get a grainy effect for some reason and I want the background to be completely black.

p.s. The symbol is floating in the air and has no objects around it, so emission on the sides wont be visible.

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This is possibly easier to achieve in post production through the compositor.

You probably don't even need Cycles or "formal rendering" for somethning this simple. You can use the *OpenGL Render active viewport" or animation at the bottom of the 3D view.

Then add the glow effect and colors as desired in the compositor. You can use a Filter > Blur or a Filter > Glow node for this.

enter image description here

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