cardboard box cartoon character: Mar 24, 2014· 1) Cut the cardboard until it's just a little bit shorter than your character. 2) Draw a "Giant Boot Shape" on this piece of cardboard. Cut out your giant boot using the box cutter. 3) Fold the right side of your "boot" in about two inches. This will create a flat surface for adhering it to your standee. 2nd cardboard piece.