I use Bottom Line or Masterpiece for all my appliqué stitching, and they disappear beautifully into my appliqué. Buy the donut - one bobbin lasts FOREVER and there's a color that can be used for every fabric!
https://www.superiorthreads.com/shop...er-bobs-donut/
Here's a sample of what I'm working on now, using Masterpiece. Love this thread.
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