Easy Lace Free Knitting Stitch.
With size 8 needles and fingering yarn (or any yarn and a pair of larger-than-usual needles), loosely cast on 27 stitches (or any multiple of 9 stitches, the stitch repeat). You may find it helpful to place markers between each 9- stitch repeat.
Where is the pattern for this design??
Here: https://www.interweave.com/wp-content/uploads/EasyLacePattern.pdf