34
3-thread flatlock seam (progr. 03, 04)
wide
blue green red yellow
0 2 3
narrow
blue green red yellow
0 2 3
The needle thread is too tight.
Set the relevant needle thread tension to a
lower value.
The upper looper thread (red) appears on
the underside of the fabric.
Set the red thread tension to a higher value.
The lower looper thread (yellow) is too
loose.
Set the yellow thread tension to a higher
value.
Top side
Top side
Top side
Top side
Underside
Underside
Underside
Underside
Seam pattern