打四角，也有叫打三角的，是六七十年代豫东一带儿童玩的一种游戏。它曾给我的童年带来无穷的乐趣，至今仍然记忆犹新。四角是纸做的，制作极简单。材料大多是旧书纸和包装纸，也有大人抽过的烟盒纸。纸裁好了，折叠起来呈四角形或三角形即可。有的很讲究，找些颜料让大人在上 Playing the corners, but also called playing the triangle, is the sixties and seventies, a game played by children in the Yudong area. It has brought endless fun to my childhood and still remembers it. Four corners are made of paper, making very simple. Most of the material is old books and wrapping paper, but also adult smoked cigarette paper. Paper cut well, folded up to a quadrangle or triangle can be. Some are very particular, find some paint for adults