Hmm...well, when I turn it over there are long stitches, with loose loops, then some rattiness, I think it is all over, not just on curves. I have tried so many different threads...Superior, Sulky, Coats and Clarks, Connecting Threads, from 40 wt to 60 wt...I make sure that the bobbin and top thread wts match...the cotton seems to be so linty, so tried polyester...I have changed the needle...use schmetz or klasse', singer...I have re-threaded top several times...I will take a pic of the ratty stitches...embarrassing...and post it...thank you so much for helping me...I have several quilts that I so want to quilt besides just stitch in ditch or straight stitch...and, I promised my mom I would finish hers...she is 7 years in remission from lung cancer, and I so want to get hers done! Thanks again...going to post a pic..