Modified from Marianne Kinzel’s First Book of Modern Lace Knitting. For an in-the-round version, see Coronet, parts A and B and Coronet, part C. See also this blog post, and Coronet wedge, v2.
Shown with a cast-on count of 6 stitches.
1 2 3 4 5 Horizontal repeats
1 2 3 4 5 Vertical repeats