PROBLEM TO BE SOLVED: To provide a framework structure that can be easily constructed by anybody through input without high expertise by utilizing small-diameter wood such as thinned wood which was used only as common lumber before, and has superior free usability and extensibility.SOLUTION: The framework structure includes a first vertical frame member array and a second vertical frame member array constituted by arranging a plurality of vertical frame members zigzag in two arrays, a plurality of horizontal beam members are arranged between the first vertical frame member array and second vertical frame member array at predetermined intervals in the axial direction of the vertical frame members, and the plurality of horizontal beam members are joined with vertical frame members of the first vertical frame member array and vertical frame members of the second vertical frame member array to mutually fix the first vertical frame member array and second vertical frame member array.
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