fractal noise waves around border screen

[ruaorrr123]

hi, so in the image above, I used roughen edges in order to create those shapy edged waves,

I used "strech width or height" and as you see I streched the width, thats the look I was going for the edgy waves

but how can I strech both width and height in order to make it look like on the draft I drew in blue, so that wavy edge come both from up/down and the sides?

when duplicating this layer and streching the height, the waves overlap and cut each other as seen here, 

[Mylenium]

This is not directly possible. You have no way of manipulating how the fractal noise pattern spreads. what you want to do could likely easily be done by applying a distortion effect like Bezier Warp and creating curved edges, then piecing multiple instances together so it looks like a continuous pattern.

Mylenium