5. Here is what you should have.

6. Now you can take out the move tool (V) and move around the pattern until you have an imaginary white ‘border’ around everything that you will crop. You can see I moved the pattern so that there is a ‘border’ (outlined by the red) which I can crop. This will give a solid white border when you view the finished product.

7. Zoom in to the upper most left corner of your ‘border’ and begin to crop it where I started. Draw from upper left to bottom right.

8. Like so.