Update: I finally finished the quilt. I used a few leftover squares to make a pillow. FMQ on my Janome with Sulky Polylite thread, which worked wonderfully (a variegated orange/yellow/blue). The thread is reasonably priced (I bought it online at Clotilde) and, as advertised, required no tension adjustments.
Thanks for all your suggestions!
Sunsets quilt and pillow
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FMQ on Sunsets
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