Originally Posted by Cropadoodle
I just took a class from my Long Arm dealer. As I understood it, they go any direction. They go best left to right, because that is the smoothest direction the bobbin unrolls. You will have fewer backlash or thread breakage issues if you primarily go left to right. That said, Long Arms are the only machine able to go any direction any time...but best left to right.
I quilt using a Juki and go in all directions. The underside stitching looks ok to me. I wonder if mid-arms follow the same rule as long-arms?