The odd toys that accompany the childhood in memory inadvertently give birth to the embryonic form of Brienz chair. Simple lines outlined the modest tone, immersed in the colorful childhood impression, the soft and elegant chair-stool of modern style are beginning to appear. The unique design of the chair back and careful consideration of the rotating structure give Brienz a unique "deformation" function, which can be arbitrarily converted between the stool and the backrest chair, suitable for a variety of usage scenarios.