The last step is difficult
Main material: 1 piece of paper, Tools required: Paper, Production steps:
Step 1: First divide a piece of cardboard into 16 parts
Step 2: Fold the four corners in half evenly
Step 3: Fold both sides in half
Step 4: Turn over
Step 5: Fold in half again
Step 6: Tuck in both sides again
Step 7: Done