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Zigzag stitch

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Title: Zigzag stitch  
Author: World Heritage Encyclopedia
Language: English
Subject: Blind stitch, List of sewing stitches, Gather (sewing), Sewing machines, Fabric tube turning
Collection: Sewing MacHines, Sewing Stitches
Publisher: World Heritage Encyclopedia

Zigzag stitch

A zigzag stitch is variant geometry of the lockstitch. It is a back-and-forth stitch used where a straight stitch will not suffice, such as in reinforcing buttonholes, in stitching stretchable fabrics, and in temporarily joining two work pieces edge-to-edge.

When creating a zigzag stitch, the back-and-forth motion of the sewing machine's needle is controlled by a cam. As the cam rotates, a fingerlike follower, connected to the needle bar, rides along the cam and tracks its indentations. As the follower moves in and out, the needle bar is moved from side to side.[1] Very old sewing machines lack this hardware and so cannot natively produce a zigzag stitch, but there are often shank-driven attachments available which enable them to do so.


  • Zigzagger attachments 1
    • Singer zigzaggers 1.1
    • "YS Star" zigzagger 1.2
    • White zigzagger 1.3
  • Blind stitch 2
  • References 3

Zigzagger attachments

Older sewing machines which only sew a straight stitch can be adapted to sew a zigzag by means of an attachment. The attachment replaces the machine's presser foot with its own, and draws mechanical power from the machine's needle clamp (which requires the needle clamp to have a side-facing thumbscrew). It creates a zigzag by mechanically moving the fabric side to side as the machine runs.

The zigzagger's foot has longitudinal grooves on its underside, facing the material, which confer traction only sideways. This allows the zigzagger to move the material side to side while the machine's feed dogs are simultaneously moving the material forward or backward in the usual manner.

Singer zigzaggers

Singer produced variety of "Singer Automatic Zigzagger" attachments over the years, including part numbers 160985 and 161102. These zigzaggers are equipped with pop-in cams (called "Stitch Patterns") for making four different zigzag stitches, as well as a bight control for choosing the zigzag width.

Four cams are included. There are also sets of additional different cams, four cams per set, sold as "Singer Stitch Patterns for Automatic Zigzagger". All cam sets are Singer part number 161008, and contain the following cams:

Singer model 160985 zigzagger
Singer model 160985 zigzagger kit
Set number Cam part number Pattern name
#1 red


161000 Zigzag
161001 Blind Stitch
161002 Domino Stitch
161003 Arrowhead Stitch
#2 white** 161004 Scallops
161005 Multiple Stitch
161006 Walls of Troy
161007 Icicle
#3 blue 161067 Key
161068 Ball
161069 Block
161070 Shingle
#4 yellow 161071 Curved Mending
161072 Open Scallop
161073 Three Step
161074 Solid Scallop

* The #2 red set is included with the 160985 and 161102 zigzaggers.

** Older #2 white sets have red-colored cams.

"YS Star" zigzagger

"YS Star" is a brand of Japanese sewing accessories that once included a zigzagger, model YS-7. Like the Singer zigzagger, it fits almost any low-shank sewing machine and draws mechanical power via an arm connected to the machine's needle clamp. Its stitch pattern is controlled by small flat rectangular metal templates, seven of which are included.

Two versions were made:
Version Name Body Templates
Older "Automatic Zig-Zager" [sic] on box,

"Automatic Zigzager" [sic] on user manual

Red plastic over chromed metal 7 patterns on 7 single-ended templates
Newer ? Green plastic over chromed metal 7 patterns on 3 double-ended and 1 single-ended templates

White zigzagger

The White Sewing Machine Company produced a zigzag attachment like the others. It was called the "White Zigzag Attachment", part number 1640. Rather than using cams or templates, it is much simpler, offering just a single control for adjusting the bight (zigzag width).

Blind stitch

A blind stitch is a variant geometry of the zigzag stitch. It is also called a "blind hem". It is composed the same way as a zigzag, except that the individual zig-zag pairs are each separated by several straight stitches. Its purpose is to create a nearly invisible hem: because only the zigzags penetrate to the visible side of the material, minimizing their number minimizes their visibility.

Blind stitch variant of the zigzag stitch


  1. ^ Reader's Digest Complete Guide to Sewing. Pleasantville, New York: The Reader's Digest Association, Inc., 32-36.
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