1. Fold in half, and fold in half again and unfold
半分におり、もう一回半分におって折り目をつけて開く。
2. Valley fold front flap in half and hold in half again, and unfold.
一枚目を半分に谷おり、もう一度、半分に谷おり。
3. Repeat valley fold and mountain fold.
谷おりを山おりを繰り返す。
4. Keep continue...
続けて...
5. Fold as shown the edges to the middle line.
図を参考に、真ん中の線にあわせて折る
6. Fold as shown the edges to the middle line.
図を参考に、真ん中の線にあわせて折る
7. Valley fold at the middle line.
真ん中の線で谷おり
8. Replace, outside reverse fold as shown.
向きを変え、かぶせおり（図を参考）
9. Outside reverse fold as shown
