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Materials with an abnormal Poisson's ratio, including those with negative Poisson's ratio (NPR) and zero Poisson's ratio (ZPR), are an important category of mechanical metamaterials, among which many exhibit NPR in all three directions. However, few of them, especially the 3D materials, exhibit ZPR in partial directions and NPR in other directions. Herein, a novel 3D structure developed by orthogonal...