Isosceles triangle knitting pattern. Using knit and purl stitch combinations. Reversible pattern looks identical on both sides.

Knitted in a multiple of 12 sts + 1 and 24 row- repeat.
Row 1 - Wrong side: P6, * k1, p11; repeat from * to last 7sts, k1, p6.
Row 2 - Right side: K6, * p1, k11; repeat from * to last 7sts, p1, k6.
Row 3: P5, * k3, p9; repeat from * to last 8 sts, k3, p5.
Row 4: K5, * p3, k9; repeat from * to last 8 sts, p3, k5.
Row 5: P4, * k5, p7; repeat from * to last 9 sts, k5, p4.
Row 6: K4, * p5, k7; repeat from * to last 9 sts, p5, k4.
Row 7: P3, * k7, p5; repeat from * to last 10 sts, k7, p3.
Row 8: K3, * p7, k5; repeat from * to last 10 sts, p7, k3.
Row 9: P2, * k9, p3; repeat from * to last 11sts, k9, p2.
Row 10: K2, * p9, k3; repeat from * to last 11sts, p9, k2.
Row 11: P1, * k11, p1; repeat from * to end.
Row 12: K1, * p11, k1; repeat from * to end.
Row 13: K1, * p11, k1; repeat from * to end.
Row 14: P1, * k11, p1; repeat from * to end.
Row 15: K2, * p9, k3; repeat from * to last 11 sts, p9, k2.
Row 16: P2, * k9, p3; repeat from * to last 11 sts, k9, p2.
Row 17: K3, * p7, k5; repeat from * to last 10 sts, p7, k3.
Row 18: P3, * k7, p5; repeat from * to last 10 sts, k7, p3.
Row 19: K4, * p5, k7; repeat from * to last 9 sts, p5, k4.
Row 20: P4, * k5, p7; repeat from * to last 9 sts, k5, p4.
Row 21: K5, * p3, k9; repeat from * to last 8 sts, p3, k5.
Row 22: P5, * k3, p9; repeat from * to last 8 sts, k3, p5.
Row 23: K6, * p1, k11; repeat from * to last 7 sts, p1, k6.
Row 24: P6, * k1, p11; repeat from * to last 7 sts, k1, p6.