Is it possible to add holes on volumetric clouds in eevee 2.92? I'm trying to figure out if it's possible to add a hole/s in volumetric clouds whether it be in the mesh or some kind of texture trick, but I'm having no luck at all. I also need it to be able to be animated.
Using eevee 2.92
I'm looking for a similar effect to these.
This is not volumetric and this is not exactly the same effect (I'll edit if I find something closer to what you show) but you could do something like that:

I've created a bezier circle and a cylinder, given the cylinder an Array modifier (with Fit Type &gt; Fit Curve with the curve as Curve) + Curve modifier (with a bezier circle as Curve Object) + Subdivision modifier + Displace modifier (with a Cloud texture):

Then I've given 2 or more shapekeys to the cylinder, stretched it so that it deforms, and keyframed the shapekeys: