Step 3ASSEMBLY METHOD 2: Assemble on foam core board
Cut each out along the outlines. BE VERY CAREFUL to make each side as close to the rest as possible with the bases being flat. Otherwise your tower will be very crooked (I speak from experience). Remember, the trick to cutting foam core is to cut three times. The first cut is ONLY to get through the top layer of paper. The second cut goes through the foam and the third cut is for the bottom layer of paper. If you try to cut through all three layers, or use a dull knife you will not end up with a clean cut. Also because the foam can "grab" the knife, I recommend you use a straight edge and not "freehand" the cuts or your cuts will be very "wavy".
You have two choices now. The first is to have two sides "inside" the other two sides (like I did and is show in the picture). This means your tower is not square, but is easier to assemble and doesn't look too bad. If you do this route, I suggest you color the exposed edged of the foam core board black with a marker (like a Sharpie)since the white core is very distracting.
Your other choice is to glue each side to the next in order so that you have an exposed foam core edge on each side. The advantage is that the tower ill be square, but may be harder to assemble. Just as with the previous choice, I suggest you color the exposed edge black so that it is not distracting.
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