8
b e r n e t t e O V E R L O C K E R W O R K B O O K
Using the balanced 4-thread overlock stitch from the previous
exercise, follow the instructions below to adjust the stitch length.
1.
Fold the fabric in half to 3” x 6”.
2.
Using a fabric marker, divide the fabric into four equal sections
along the folded edge.
3.
Adjust the stitch length to 4 mm. Sew to the first
mark along the folded edge, trimming folded edge
approximately 1/4".
4.
Adjust the stitch length to 3 mm and sew to the second
mark.
5.
Adjust the stitch length to 2 mm and sew to the third
mark.
6.
Adjust the stitch length to 1 mm and sew to the end.
7.
Mark the stitch length settings on the fabric sample.
8.
Return stitch length to its normal setting of 2.5mm.
NOTE:
Stitch length adjustments may be needed to
accommodate thicker or thinner threads or different weights
of fabric, as well as being used for decorative effects.
STITCH LENGTH
Firm fabric, 6” x 6”
80/12 ELx705
4 Spools Serger Thread (B, R, G, Y)
4-Thread Overlock Stitch
Standard
3 mm
2 mm
1 mm
4 mm
thread
tension
setting
machine
setup
L
eft
N
eedLe
R
ight
N
eedLe
U
ppeR
L
oopeR
L
oweR
L
oopeR
S
titch
L
eNgth
c
UttiNg
w
idth
d
iffeReNtiaL
f
eed
R
oLLed
h
em
L
eveR
4
4
4
4
1-4 mm
6
1
N
General guidelines for stitch length settings
2.5 mm
Standard setting
1-2 mm
Rolled hems and decorative edges
2.5-4 mm
Heavy weight fabrics
3-4 mm
Gathering and applying elastic
