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I am trying to create a model of the alphabet 'A'. is there a way to make only the blue color glow? leaving the pink as it is. I tried using 2 different shaders, principled bsdf and emission shader and then joining both with a mix shader but the result was awful.enter image description here

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    $\begingroup$ yes, mixing the 2 colors in a Mix Shader is the way to go, that said it will only glow if you use an effect like Bloom in Eevee or Glare in the Compositor $\endgroup$
    – moonboots
    Commented Mar 7, 2022 at 17:05
  • $\begingroup$ I only want the blue portion to glow. $\endgroup$ Commented Mar 7, 2022 at 17:07
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    $\begingroup$ You probably need to use the Compositor and 2 separate layers, one for the blue zone to which you'll give a Glare effect? $\endgroup$
    – moonboots
    Commented Mar 7, 2022 at 17:25
  • $\begingroup$ if you don't mind, could you help me with a step by step process on how to go about it? $\endgroup$ Commented Mar 7, 2022 at 17:27

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you could use this material setup:

enter image description here

compositor nodes:

enter image description here

to get this:

enter image description here

Of course you can change the "greater than" threshold and the "multiply" value to tweak your result, as well as changing values in the glare node.

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    $\begingroup$ It did work. Thank you $\endgroup$ Commented Mar 7, 2022 at 19:19
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    $\begingroup$ Glad I could help. $\endgroup$
    – Chris
    Commented Mar 7, 2022 at 20:07

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