2. Then fold diagonally, open, fold diagonally and open again, as shown in the figure.
3. Hold the left and right corners with your hands and squeeze in. When you can't squeeze any more, flatten them to the left or right to form a double triangle, as shown in the figure.
4. The left corner is folded in half to the top corner, and the right corner is also folded in half to the top corner, as shown in the figure.
5. Repeat the operation of the third step in turn, as shown in the figure.
6. Fold the left and right corners to the center respectively, as shown in the figure.
7. Otherwise, repeat the operation of step 5, as shown in the figure.
8. Open the right folding part and fold it along the vertical crease to the center line.
9. Then fold the upper half down along the transverse crease.
10. Finally, fold from the center line to the right to form a wing, as shown in the figure.
1 1, and the same folding method is used on the left side. Otherwise, repeat the above operation, as shown in the figure.
12, pick it up, blow it from above, and the lantern that bulges as soon as you blow it is ready, as shown in the figure.