Prep and and tack a C8. Hold ball so the north pole is on the
top.
Locate the 4 triangles with a diamond shape around the obi, outlined in
black ( as in photo 1 below).Place pins 1 1/2 cm (2 to 2 1/2 cm for a 3
in ball) inside the arrow
head shape as shown in red in photo1. Stitch all 4 arrow head shapes
for the north pole. Turn the ball so the south pole becomes the north
pole. Locate the
triangles with a pole around the obi. Mark with pins the same distance
in from the edge to make the arrow head shape. See photo 2 below.
Stitch the 4 arrow head shapes weaving in and out as you go. See photo
3 below. Decorate the centers as you please. The ball is
finished.