PROBLEM TO BE SOLVED: To provide a decorative building material capable of forming basket-like shape at low cost without using wrought iron.SOLUTION: A decorative building material has two half-split bodies 1. The half-split body has an arm part 4, which extends from one end part 2 toward the other end part 3 and forms a spiral curve line around a virtual axis L linking the one end part 2 and the other end part 3. The arm part 4 has twisted parts 4a, 4b, which extend away from the virtual axis L at a section from one end part 2 to an intermediate part and come close to the virtual axis L at a section from the intermediate part to the other end part 3. Two half-split bodies 1 are symmetrically combined to form a basket-like shape.SELECTED DRAWING: Figure 8
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