# Talk:Finite subdivision rule

Peter J. Lu and Paul J. Steinhardt (2007). "Decagonal and Quasi-crystalline Tilings in Medieval Islamic Architecture" (PDF). Science 315 (5815): 1106–1110. Bibcode:2007Sci...315.1106L. doi:10.1126/science.1135491. PMID 17322056.
Supplemental figures  — Preceding unsigned comment added by 178.149.31.27 (talk) 19:04, 4 June 2016 (UTC) 

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If I understand correctly, the second example image (of the non-regular quadrilateral) has errors in its second subdivision. The two lower-left quadrilaterals should have several more subdivisions present. I don’t know how to correct this, but would be happy to try with some pointers. AstroCatCommander (talk) 01:52, 11 February 2025 (UTC)