Step 1: Prepare two pieces of paper 13cm square. Let's fold the bottom of the box first.
Step 2: Fold the word "rice" first. (Fold along diagonal and midline)
Step 3: Fold in along the crease. (Two-sided, when the opening is upward)
Step 4: Fold the top half.
Step 5: Fold your back in the same way.
Step 6: Turn right from the left corner.
Step 7: Fold the left and right sides to the center line respectively.
Step 8: Fold the top corner.
Step 9: the excess part is stuffed into the gap.
Step 10: Fold the other side in the same way.
Step 1 1: Turn the left part to the right.
Step 12: Turn the lower corner up.
Step 13: Plug the extra corner into the gap above.
Step 14: Treat the other side in the same way.
Step 15: finally open along the middle, and the bottom of the box is finished!
Step 16: Let's fold the box. Fold a meter first.
Step 17: Take it back along the crease. (At this time, the opening is upward)
Step 18: Fold the left and right sides to the center line respectively.
Step 19: The same goes for the following!
Step 20: Fold the upper corner.
Step 2 1: The back is folded in the same way.
Step 22: Open the folded part.
Step 23: Lay the whole body flat.
Step 24: Turn the lower corner upward. Fold the other side in the same way.
Step 25: Rotate to the position shown in the figure.
Step 26: Fold down the two small corners at the top.
Step 27: Put it down and plug it into the next gap.
Step 28: unfold along the crease.
Step 29: This is the top view.
Step 30: Draw watermelon seeds.
Step 3 1: merge the two parts. A simple and lovely watermelon box is finished.