Pirate Treasure Chest Template | Make Your Own Paper Make Your Own Pirate Treasure Chest Instructions Step 1. Print out the 3 treasure chest template pieces. For the best results, I recommend printing them onto sheets of 8.5 x 11 cardstock paper. Makedo Cardboard Treasure Chest: 4 Steps (with Pictures) Decorate your chest using strips of cardboard for the bracing and handles. Using crayons and markers to personalise your Treasure Chest is a great way to add more colour. Your Makedo Toy Treasure Chest is complete.