From the same paper as the previous 3 images.
Fig. 12 Interlocked planar Kagome lattice grids.
(a) Interlocking method;
(b) fabricated lattice grid structure and c sandwich panel with interlocked Kagome lattice
grid
Ref. 32 is:
32. Fan, H.L., Meng, F.H., Yang, W.: Sandwich panels with Kagome lattice cores reinforced by carbon fibers. Compos. Struct. 81, 533– 539 (2007)
Fan, H.L. = Hualin Fan
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