I did this some weeks back and thought of sharing.
Simple to do and yet make a difference to the aesthetic look of your garden.
Tools needed: Paper, Ruler, Scissor and Color pencils/Pencils
Step 1: Cut a love shape out from the paper.
Step 2 and 3: Choose the side of the love shape paper for your greens. Draw the shape and cut a hole as per below.
Step 3: Plant your greens in the hole and you will get something like this.