Start by cutting the front and the back of the card apart.
Next measure the shortest side of the card front and cut the other side the same size so that you have an exact square (you may want to decide where you want your measurements before you cut so that you have the design you want). This will make the top of your box. Repeat with the back of the card except make it a bit smaller than the front of the card.
Find the center by drawing two lines to opposite corners to make an 'X' (this is with the wrong side facing up),
Fold one corner to the center, then fold it in half again, and open flat again. Repeat this with the remaining corners,
Put a dot on the four corners of the small square you will see in the middle of the card. Next choose 2 corners across from each other and make 2 cuts on the creases stopping at the dots on. Repeat this on the other side. You will have 4 cuts total.
Fold the corners of the triangle flaps to the center,
Fold up the wings,
Stand up the side walls,
Fold up the ends and tuck the flaps down. Put a piece of tape or glue dot to secure the tips if you need to. This is the top of your box. Repeat these steps for the bottom.
You could also use pieces of wall paper or card stock.
I shared this on: