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1. Leaders and Enders are a must. I needed to get a good start at the beginning of each stitching, since I was removing the few stitches in the seam allowance in order to spiral the seams when pressing. Otherwise, I might get a jumble of threads that were a pain to remove.
2. A more contrasting thread would have worked out better. My eyes are too old to see the stitches I needed to remove.
3. Carefully store the Half-Square triangles until needed. Ragged threads are a pain when there are this many seams.
4. The pressing of the first seam between the two Half-Square triangles is the most important. Because I always pressed the first two in the same direction, all my seams fitted together perfectly when I spiral pressed.
And I only used 168 Stitching Lines, less than 2 packages.
Now, on to my quilter!