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Thing #1: Hairy crosses are annoying. This draft had a total number of ends divisible by three. I planned on using three ends per dent in my 10 dent reed. Unfortunately, the color changes were not divisible by three, so I cut and tied new ends across the entire warp to keep the colors in order.
Thing #2: Thinking about details: After I had 3/4 of the reed sleyed I realized that I could have used my 15 dent reed, sleyed at two ends per dent, had an easier time winding the warp, and sleying the reed! I will pay more attention to "little" details like that in the future!
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Thing #3: Perserve. I intentionally wove two sample sections--one to wash and one to keep in off-loom condition. The pleats are formed by the natural curvature of 1/3 vs. 3/1 twill. My off-loom sample showed only a tiny bit of curvature. My washed sample showed a little pleating, but not much.
It was hard to return to the loom after seeing my samples fail at pleating. I debated cutting off the warp, changing the threading to plain weave, and a few other things, and finally decided to try weaving the scarf as planned.
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The fabric has less drape than I would have liked, but still, it pleated!!
The cream yarn is 10/2 unmercerized cotton. The blue is an acrylic (of some sort. I did a burn test!) and is a little finer than the 10/2. Weft is the 10/2 cotton.