I have copied that cube and paste and applied that material on to my cube but did not get that effect above seen. May i know the reason plz . I have attach the file. new sponge file.blend (693.6 KB)
well, it’s not as easy as copy/paste & voila… magic is in everything relative, but not all relations are equal
for easier work in your case, you first need to apply scale to objects, then change texture scale, density, color and few other settings accordingly (including Volume step size)