Vertical herringbone

Shown with a cast-on count of 15 stitches.   Getting chart...

  • Rows 1 and 3 (WS): Purl.
  • Row 2: *K2tog, k2, incR, k3, repeat from * to last st, k1.
  • Row 4: K1, *k2, incR, k3, k2tog, repeat from *.