Akitaya, Hugo, Josh Brunner, Erik D. Demaine, Dylan Hendrickson, Victor Luo, and Andy Tockman. “Complexity of Simple Folding of Mixed Orthogonal Crease Patterns: Discrete and Computational Geometry, Graphs, and Games”. Thai Journal of Mathematics 21, no. 4 (December 31, 2023): 1025–1046. Accessed October 8, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1563.