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I have a volumetric texture, and I don't know how I can ease the edges of this texture, to rub the "cube shape" of the volumetric texture.

I also need this to be keyframed.

enter image description here

I tried to use different combinations of gradient texture nodes, transparency node too, but I was not able to rub the edges.

Can you help me ?

Here's the node setup: enter image description here

Here's a blend file :

Bye guys ! :)

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  • $\begingroup$ Hello :). Not an answer, but you could use a sphere instead of a cube. Then the edges will be softer. $\endgroup$
    – jachym michal
    Commented Oct 10, 2020 at 12:14

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Using another Shape is indeed not a bad idea. (@Jachym Michal)

But here is a node setup to give you pretty good controll of the density border.
For better visibility I haven't multiplied it with your current density setup yet, but the math node already is sitting in place as you can see.

enter image description here

enter image description here

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  • $\begingroup$ Sweet, learned something new here, thanks :). $\endgroup$
    – jachym michal
    Commented Oct 10, 2020 at 15:19

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