McArthur, D., Maddison, G., Vijayakumar, J., Tafforeau, P., Christofidou, K., Lee, P. D., Tan, P., Leung, C. L. A. (2026). Triply‐Twinned Metamaterials: Unraveling the Mechanics and Failure Pathways Through High‐Resolution XCT. Advanced Materials. https://doi.org/10.1002/adma.202516173