This model designed by Roman Diaz If you like this video please SUBSCRIBE me~~ 如果您喜歡這部影片歡迎訂閱我的頻道~~ You only need 1 sheet of square paper I used 15cm*15cm 您只需要一張正方形紙 我在教學時使用的大小為15cm*15cm Hope you enjoy and have a good time ! 祝您有個美好的一天 !