Unvented. Inspired by (and massively scaled down from) Barbara Walker's dragon skin pattern. However, this is also basically Star Rib Mesh done with sl1-k2tog-psso instead of sl2-k1-p2sso.
Shown with a cast-on count of 13 stitches.
1 2 3 4 5 Horizontal repeats
1 2 3 4 5 Vertical repeats