The modular bookcase with shelves made in solid American walnut or ebonized wood, structural and book stop rings and connection plaques in black nickel finished steel.

• 积木式书架的木板是用结实的美国胡桃树或者黑檀色木头制作而成，整体结构、圆环书隔以及连接的装饰板则以黑色镍精制钢为原材料。