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I would like to draw an object, e.g. a cube, that emits smoke from the top face only but not the rest of the faces. How can I do this?

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1 Answer 1

up vote 4 down vote accepted

Select the top face in Edit Mode and assign it to a Vertex Group

enter image description here

  • Select the Vertex group in the Smoke Flow Advanced section
  • Limit the distance of emitting from surface by setting Surface to 0.

enter image description here

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Thank you very much for your detail explanation –  Clarence Aug 4 at 13:03

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