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Uli Kirchler is an artist who carves pop-up wooden castles into deformed sections of tree trunks. We see how he makes one from start to finish, learn why he uses burls and what burls are, and find out how he gets them to expand and collapse smoothly. For more visit: MORE ART INSIDER CONTENT: Coins Have Hidden Booby Traps And Secret Levers Zoetropes Create 3D Illusions Using Light How Japanese Candy Art Is Made | The Making Of
