Hexagon grid, which I made in illustrator, simple thing, but I had to try 3 different methods to create it big enough. Illustrator crashed at first and second attempt - too many objects. Finally, instead of duplicating hexagons, or using distort & transform comand, I found sth which actually works at this scale - pattern and making compound path from it (it had to be bigger than photo itself I needed some extra room to liquify). But at second attempt I've learned how I can check the distance I moved the object vertically and horisontally and then used this numbers in distort & transform dialog box, so there's that.