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How can I make any mesh be filled with smoke?

Blender Asked by HoofMcPoof on December 20, 2020

I tried putting volume scatter and other nodes into the volume output in the node tree of a monkey but it creates a cube of volume around that monkey, how can I make it so it’s like a monkey shaped cloud. Using Blender 2.83

One Answer

If you're using Eevee, volumetrics nodes won't work as they work for Cycles, they will be shaped into cubes.

Since 2.91, though, you can create a volume empty (shiftA > Volume > Empty), and give it a Mesh to Volume modifier, with your object (here, your monkey) as Target. It will create a smoke that follows the shape of the Target:

enter image description here

Make your Suzane invisible. You can give your empty a material, by default it will be a Principled Volume plugged into the Volume socket of the Material Output. You can change the color or density of the volume:

enter image description here

Also, play with the parameters of the Render > Volumetrics panel, as it affects the quality of the volume:

enter image description here

Answered by moonboots on December 20, 2020

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