This is how I was taught to sew a point, instead of pivoting on the exact tip to sew one or two small stitches across the top then proceed back down the other side.
Originally Posted by
QuiltNama
When you sew the two pieces of white together, at the end of the point stop and take 1 or 2 small stitches straight across and continue up the other side. Trim and turn like you did for the other ones.