Needed materials: cardboard, glue
Step 1, first prepare a square piece of paper with a side length of 15cm.
Step 2: Fold the two adjacent sides to a width of 1cm.
Step 3: Fold the paper in half.
Step 4: Turn the long edge to the outside and glue it.
Step 5: Fold the paper piece in half and unfold it.
Step 6: Fold the corners toward the center line.
Step 7: Then fold again as in figure 2, fold and unfold.
Step 8: Then fold again as in Figure 2, fold and unfold.
Step 9: Fold all four corners as shown below.
Step 10: Fold and unfold.
Step 11: Fold along the crease to create the basic shape of the box.
Step 12: Fold out the bottom as shown, gluing in each step.
Step thirteen, glue the top and you are done, here the box is finished.