Originally Posted by dungeonquilter
I STID on my son's quilt. The fabric wore out, but none of the seams ever came apart. When using monofilament thread, you need to loosen the top tension alot. The top thread is pulling up the bobbin thread. Practice on a scrap sandwich until you get the right tension.
Could depend on the brand of monofilament. Gutermann's seems very thick where as the .04 mil brands (eg:Coats) work super well. With normal thread in the bobbin, I don't even have to change tension at all!
I love SID!
Good luck!