I'm happy to see that you are having success with the pattern, and the yarn is so lovely
You are going to have a Wingspan that you are very proud of.
In your initial post on this thread you mentioned that you are knitting this on straight needles. By the time you are knitting some of your last triangles, you will end up with a lot of stitches on your needles, and you may want to consider circulars. If you do, lace needles are excellent. I ended up switching on a recent project and it made a world of difference. You may find you are not such a slow knitter after all
Of course if you watch this video, you may feel like the world's slowest knitter World's Fastest Knitter
Seriously, though, there are tips on this video that can help to make knitting more efficient.