Originally Posted by
dunster
When the batting says 8-10", what I believe it means is that from any point in the quilt you shouldn't be able to move more than 8-10" without hitting a seam line. Quilting diagonal parallel lines would not meet that requirement.
I'm not so sure the guidelines mean that. If so, then parallel lines 1/2 inch apart wouldn't meet the requirement either. Although, I wouldn't feel good with only parallel lines 8 inches apart, I would feel perfectly fine with wavy diagonals 3 inches apart.