Since Dimension doesn't support any sort of simulations such as VDB, I tried to create smoke/cloud effect with other ways. In Dimension, I used image of a cloud as Opacity map on a Plane. The results were surprisingly good even though you have some limitations since it's basically a 2D image in a 3D environment! Other objects such Spheres helps a bit if you want to have some curvature in your smoke effect.
You can read the full tutorial from here!
|Opacity||Your opacity map image. (White with a black background.)|
Setting the opacity map and other properties on a Plane.
Playing around with the opacity Plane.
Close-up of the smoke effect.
Check out my Behance to see full project.