Approx. 35" square
16 sts and 24 rows = 4" in stocking st.
Cast on 2 sts. Working back and forth across needle in rows, proceed as follows:
1st row: Inc1 in first st. K1. 3 sts.
2nd row: (RS). K1. (M1. K1) twice. 5 sts.
3rd row: Knit.
4th row: K1. M1. Knit to last st. M1. K1.
Rep 3rd and 4th rows until work along straight side edge measures 35", ending on a 3rd row.
Next row: (RS). K1. K2tog. Knit to last 3 sts. K2tog. K1.
Next row: Knit.
Rep last 2 rows until 3 sts rem.
Next row: K3tog. Fasten off.