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Home : Patterns : Diagonal Square Cardigan

Free Knitting Pattern: Diagonal Square Cardigan

Lion Brand® Homespun®
Pattern #: 1218
Rating: ****3.7 (based on 3 reviews)
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SKILL LEVEL:  Beginner + (Level 2)

SIZE: Small, Medium, Large, 1X

Finished chest 40 (44, 48, 52) inches. Length 24 (24, 24, 25) inches

Note: Pattern is written for smallest size with changes for larger sizes in parentheses. When only one number is given, it applies to all sizes. To follow pattern more easily, circle all numbers pertaining to your size before beginning.

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Image of Diagonal Square Cardigan

Made up of squares and rectangles knit on the diagonal in garter stitch, this multicolored cardigan sweater's intriguing designs are "painted" in with a minimum of effort.

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Color (A)

Click here to enlarge image and see more about item 790-320: Homespun Yarn: Regency
Click here for larger swatch
To change colors, simply select color name from the drop-down above or else click the swatch you want to change and then click a color below
Sundae Stripes Gemstone Stripes Wildberries Stripes Beachside Stripes Petunia Stripes Redwood Stripes Mystical Stripes Celestial Stripes
Lakeside Stripes Midnight Stripes Stonewashed Stripes Praline Stripes Tanzanite Stripes Hepplewhite Shaker Colonial
Deco Rococo Edwardian Tudor Sierra Regency Baroque Waterfall
Gothic Prairie Barrington Nouveau Windsor Corinthian Mediterranean Delft
Quartz Montana Sky Black Candy Apple Harvest Olive Barley Grape
Cream Golden Meadow Fiesta Plum Apple Green Lagoon Parfait
Ocean Painted Desert Wild Fire Herb Garden Mixed Berries Pearls Pesto Coral Reef
Ambrosia Vintage Purple Haze Wisteria Mimosa Seafoam Spice Tulips
Cherry Blossom Vineyard Pueblo Abalone Claret Garnet Tourmaline Malachite
Purple Aster Peony Opal Clouds Desert Mountain Blue Moon Barks Forest
Sand Dune
*Homespun® (Article #790). 98% Acrylic, 2% Polyester; package size: 6.00oz/170.00 gr. (185yds/169m) pull skeins

You can also buy materials separately
To change colors, click the drop-down list or swatches above
•  790-320 Homespun Yarn: Regency
$ 37.45 (5, 6, 6) 
Lion Brand Size 10.5 [6.5 mm] 29-inch [75 cm] Circular Knitting Needles   $ 11.49  
Additional Materials
Nine 7/8 inches (22 mm) buttons (JHB #86822 Rushmore Marbled Navy shown)

Diagonal Square Cardigan

Lion Brand® Homespun®


12 sts + 24 rows = 4" (10 cm) over Garter St (k all rows) with larger needles. BE SURE TO CHECK YOUR GAUGE.

When you match the gauge in a pattern, your project will be the size specified in the pattern and the materials specified in the pattern will be sufficient. The needle or hook size called for in the pattern is based on what the designer used, but it is not unusual for gauge to vary from person to person. If it takes you fewer stitches and rows to make your swatch, try using a smaller size hook or needles; if more stitches and rows, try a larger size hook or needles.

Making a Gauge Swatch


m1 (make 1): An increase worked by lifting the horizontal thread lying between the needles and placing it onto the left needle. Work this new stitch through the back loop.
3 Needle Bind Off: Stitches from one piece are on one needle, and stitches from second piece are on 2nd needle. Place Wrong Sides together and with 3rd needle, k2tog (1 from front needle, 1 from back needle). Repeat. *Pull first st on right needle over 2nd st (bind off). K2tog. Rep from * across until all stitches are bound off together
NOTE: This bind off seams two pieces of fabric together with a ridge forming on the outside. If the knitter prefers the ridge on the INSIDE of the garment, bind off with RIGHT SIDES together.
Attached 2 stitch I-cord: With RS of fabric facing, slip needle through edge garter “bumps” along the side. Cast on 2 sts (I-cord sts). K 2 I-cord sts, knit 1 st in first garter “bump” . *Do not turn work. Slide 3 sts back to left needle. Next Row K 1, k2tog through back loop, knit up 1 st in next garter “bump”. Repeat from *.
Unattached 2 stitch I-cord: row While working attached I-cord, it is sometimes necessary to do more I-Cord rows than there are “garter bumps”. To do this while doing attached I-cord: K 1, k2togTBL. Slide 2 sts back to left needle. K 2, k 1 in next garter “bump”. Continue with attached I-cord.
I-Cord Buttonholes: Work 3 unattached I cord rows as follows: K 1, k2togTBL, Slide 2 sts back to left needle, k 2, slide back, k 2, slide back. DROP NEXT GARTER BUMP ON LEFT NEEDLE (this leaves buttonhole). K 2, k 1 in next garter bump on needle. Continue with Attached I-cord.
ssk (slip, slip, knit): Slip the next 2 sts as if to knit, one at a time, to the right needle; insert the left needle into the fronts of these 2 sts and k them tog.
St st (stockinette stitch): K on RS, p on WS.


IMPORTANT!!! Please Read Carefully Before Beginning.
The body of this jacket is comprised of 3 simple shapes: a square, a rectangle, and a long strip. The squares (4) and the rectangles (4) are knit in garter stitch on the bias, and the long strip (2) is simple garter st. Back = 2 squares top, 2 rectangles bottom. Fronts = 1 square top, 1 rectangle bottom. Long strips go between fronts and back under the sleeve. Specific piece placement is “Knitter’s Choice”. (Sample has garter ridges/colors slanting in different directions on front [making a “square”] and back [making an “X”].)

You can control the “striping” of the pieces better if you start each piece with the same color each time.


Square Make 4
[Note Piece should measure 8 1/2" square (S); 9 1/2" square (M/L/XL)]. With larger needles, Cast on 2 sts.
Inc Row 1: K 1, m1, k 1.
Row 2: K to last st, m1, k 1. Repeat Row 2 until there are 36 (40, 40, 40) sts on needle.
Dec Row: K to last 3 sts, k2tog, k 1. Repeat Dec row until 2 sts rem. Bind Off.

Rectangle – Make 4 With larger needles, cast on 2 sts. Work as for square until there are 36 (40, 40, 40) sts on needle.
Note: To knit “straight” on the bias, you will “decrease” on one side, and increase on the other as follows:
Next row (decrease row – PM to indicate): K to last 3 sts, k2tog, k 1.
Next row (increase row): K to last st, m1, k 1. Rep these two rows a total of 14 (10, 12, 14) times. Then work dec row Every Row until 2 sts rem. Bind Off.

Long Strip – Make 2 With larger needles, Cast on 11 (11, 17, 23) sts. Work in Garter St until piece measures 15 1/2 (14 1/2, 14, 14 1/2) inches.


With larger needles, Cast on 31 (31, 34, 35) sts. Inc each side every 8 (6, 6, 6) rows 10 (13, 13, 14) times — 51 (57, 60, 63) sts. Work even until sleeve measures 17 1/2" from beg. Put sts on holder.


Putting the pieces together: Arrange pieces as desired and seam squares and rectangles together to form Back and 2 Fronts (see note above) as follows: With RS up and pieces flat, make invisible garter seam by sewing up “bump-to-bump”. Fabric edges should be flush. When the 2 Fronts and Back are complete, seam shoulders by sewing outer two-thirds (2/3) of Front and Back squares together.
Attach fronts, back and strip: Mark off top 8 1/2 (9 1/2, 10, 10 1/2)" of Fronts and Back for armhole. With RS of long strip facing, pick up 1 st for every garter ridge along one side of strip. With RS of Right Front facing, pick up same number of sts along side up to the armhole mark. 3-Needle Bind Off pieces together (see note above). Rep with with Left Front and both sides of Back.
Set in Sleeves: Put sleeve sts back on needle. With 2nd needle and RS facing, pick up 51 (57, 60, 63) sts along armhole edge of Right Front and Right Back (Note Do NOT pick up along top of strip). 3-Needle Bind Off the pieces together. Sew straight edge of sleeve to top of long strip. Sew sleeve seams.
I-cord Edging: Starting at right neck (going around back neck, down left front, along the bottom edge, and up the right front), work attached I-cord Edging (see Notes above). Work 3 “Attached I-cord rows, followed by 1 “unattached I-cord” row . Work “unattached” I-cord row when turning outside corners.
Buttonhole edge: Stop when you get to Right Front. Mark positions for 7 buttonholes along edge. When you get to each buttonhole mark, work I-Cord Buttonholes (see notes above). Continue until you reach beginning of I-cord and sew I-cord end to the beginning.


Sew 7 buttons on Left Front. Fold back Lapels and secure with Buttons sewn through both pieces of fabric. Weave in ends.

Click for explanation and illustration
beg = begin(s)(ning) dec = decreas(e)(s)(ing)
inc = increas(e)(s)(ing) k = knit
k2tog = knit 2 together k2togb = Knit 2 stitches together through back loop
Pm = place marker rem = remain(s)(ing)
rep = repeat(s)(ing) RS = right side
st(s) = stitch(es) tog = together
WS = wrong side  

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Ratings and Reviews
Pattern Average Rating: ****3.7 (based on 3 reviews)
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Diagonal Square Cardigan Reviewed by Ann Snoeyenbos on 2012-02-20 ****
The finished product looked good and fit well but I don't think the Homespun yarn allows the pattern to show. I will do this pattern again but with a yarn that will show the directional aspects of the squares.

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