Step 7 - Delete The Excess
Right click on your layer and click "Rasterize Layer". Hold down the "CTRL" key on your keyboard and click on your layer in the layer box. Now we are going to delete the middle out of the star. To do that click "Select>Modify>Contract" type "3" in the box and click "Ok". Now press "Delete" on your keyboard. You'll now come up with the following.