Quite unusual use of lenticular clouds. Looks funny though :-)

Positioning of the cloud can be annoying, however when you consider the potential benefit it`s worth some additional effort. I mean you can always use Metaclouds instead, but it will be hard to create clouds like the lenticular cloud example.

The best way, if you want to have one single cloud positioned precisely over a mountain is to place the mountain at position 0/0/0 and to leave the offset of the cloud in the FE at X=0 and Y=0 . This way the cloud will be at the same position as the mountain.

Using an imported object and adding some volumetric mat won`t look good because you cannot achieve the kind of smooth edges you would expect from a cloud.

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