Hexagon based pattern (with some orthogonal parts), reinterpreted as an isometric view of a cubic 3D structure (with some diagonal parts). Created after illustration *C 5b.* «COAT-OF-MAIL FOR DOOR GODS — Chengtu, Szechwan, 1800 A.D.» , chapter «C: HEXAGON» from the «[Chinese Lattice Designs](https://store.doverpublications.com/0486230961.html)» reference book by Daniel Sheets Dye (p. [72](https://books.google.fr/books?id=SsZLhrgEwUwC&pg=PA72)).
Reference picture from the book:
[![](https://web.archive.org/web/20210525023236im_/http://teacherlink.ed.usu.edu/yetcres/clipart/MasterClipsDOV/Symbols/Designs2/thumbnails/CLD072B.jpg)](https://web.archive.org/web/20210525023235/http://teacherlink.ed.usu.edu/yetcres/clipart/MasterClipsDOV/Symbols/Designs2/index_12.htm)
Pattern also listed here:
[![](https://web.archive.org/web/20210528043816im_/http://tilingsearch.org/contents/data23/C05B.gif)](http://tilingsearch.org/HTML/data23/C05B.html)