layout credits hereContinuing to talk about Postage Sheet, here is how you can tear the edges of your frame. Follow the steps in my further post.
If so, you will have this situation here below:
Then select the area you would transform with the selection tool and go to >EDIT > TRANSFORM> DISTORT or SKEW
Drag and drop to the right.
You can also make an irregular selection with the polygonal selection tool and distort:
See here the result:
Now improve your skills an think outside the box: