Fang-Sheng pattern is composed of two identical lozenges and it is a distinctive lucky pattern. Fang-Sheng pattern derived from diamond-shaped pattern, grew up into Za-Bao pattern and developed into Pan-Chang pattern. It has concentric form, symmetrical and continuous conformation, and it fits in three-dimensional contouring well. All these outward manifestation of Fang-Sheng pattern indicates the hope and desire for a happy marriage, the worship of life, and the hoping for being always lucky.