Pattern: dodecahedral skeleton from penultimate module. Paper: 30 sheets Daiso Design Paper No. 64 (モノクロ両面).
Pattern: "Vortex Dodecahedron" by Meenakshi Mukerji, Exquisite Modular Origami p.35. Paper: 30 sheets red-white Daiso Origami.
You can distinguish load-bearing brick walls from facades if you know the difference between various bonds.
The construction of a fractal from a sequence of tilings such that no four brick corners meet in the same place.
Ross Churchley and Bojan Mohar. Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete Algorithms (SODA 2018), 210–218. January 2018.
There is an entire Wikipedia page about putting buttered toast between two slices of bread.