Jewelry Design Tangram Jewellery Collection by Juanjuan Hu Tangram is a jewelry collection made of seven single pendants and chain accessories. The collection offers flexible ways of wearing. Each pendant can be worn alone or connected to other pendants by the chain accessories, so wearers can create varied forms. The seven colors follow the colors of the rainbow. The design is inspired by tangram, a traditional Asian puzzle toy of seven pieces. The pieces are made of 18k gold, and 3D printing is combined with enamel handcraft. The surface lines and texture formed by 3D printing are kept and matched with colored enamel.