Made from buttons, Unique Piece, 2020 Size Europe: 46 x 45 x 46 cm Size US: 18 x 17 7/10 x 18 in Kim Seungwoo is a Korean contemporary sculptor, based in Seoul, South Korea, famous for his sculptures created by using Korean coins and fabric buttons. The coins build a complex, surprisingly detailed and three-dimensional kinetic form. Each sculpture consists of thousands of coins assembled in a flowing, swirling pattern that build the brilliance of each work.