When I add a smoke particles (clouds) it seems to be thick and an a certain elevation. I'd like to have thin clouds around the tops of buildings. Is there a different method?

  • $\begingroup$ Less particles should make less smoke within the domain. Or try reducing density or density scale on the texture or material influence to make it more transparent. $\endgroup$
    – sambler
    Nov 16, 2013 at 10:21

1 Answer 1


Blender internal:

You could try the Cloud Generator addon. This is good for making 3D volumetric clouds, but note that it will only work for BI, as cycles does not yet have volumetric rendering.

  1. Enable the Cloud generator addon in User preferences > Addons. This addon is bundled with blender by default, so it should be in the list:

    enter image description here

  2. Create a bounding shape for your cloud, then press Generate cloud in 3D view > Tool Shelf (T) > Cloud generator with it selected:

    enter image description here

This will create a point cloud for the cloud and setup the volume materials.

For more info take a look at this tutorial on blender cookie.


Because cycles does not yet have volumetrics, you will have to fake it. Here are some options:

  • Render the clouds in BI and mix in the compositor

  • Use a transparent plane with an image texture (may look okay when seen from a distance)

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