48-inch-giant-finial-christmas-ornaments-tutorial-dreamalittlebigger-12

For larger items like bowls and tumblers,Using a 7/16" or 1/2" Spade Drill Bit create a hole straight through the bottom of your plastic. Most of your items will have a knot right in the middle of the bottom that you can use as a guide. Place the spade bit directly in the center and apply just enough pressure to prevent the drill from skipping off of the mark. Gently and slowly drill through the plastic and the foam. Once the sides of your spade bit have made a few turns and have started to dig into the plastic, you can slightly speed up the drill. As you work you'll have a spiral of plastic that peels away from the rather than an aggressive cracking.

Using a 7/16″ or 1/2″ Spade Drill Bit create a hole straight through the bottom of your plastic. Most of your items will have a knot right in the middle of the bottom that you can use as a guide. Place the spade bit directly in the center and apply just enough pressure to prevent the drill from skipping off of the mark. Gently and slowly drill through the plastic and the foam. Once the sides of your spade bit have made a few turns and have started to dig into the plastic, you can slightly speed up the drill. As you work you’ll have a spiral of plastic that peels away from the rather than an aggressive cracking.