blender glass with ice 1

create glass

extrude circle -> scale -> solidify

create water

extrude another circle -> alt click to select top circle

ctrl + f -> select grid fill

right click -> subdivide

object data property -> add vertex group

add displacement modifier

select vertex group -> direction z -> texture cloud -> adjust cloud size

modifier -> reduce strength

object data property -> auto smooth

right click water -> shade smooth

reference:

https://www.youtube.com/watch?v=jCVEtLjpeB8