Originally Posted by Shelley
I've used every white thread in the place, top and bottom. I've adjusted tension, speed. I've even said bad words (then promptly apologized - my studio is in a former church). I use a practice piece on the side and get beautiful stitches, with every combination of threads. Move to the quilt and get cr@p!! Huge skips.
Have you tried changing the needle size? I'm thinking a size larger needle, and possibly a sharp (to pierce the sheet threads) rather than a universal type (which is supposed to separate the threads), might work better.