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Bold Geometric Afghan Knitting Patterns

by | Jun 13, 2015 | Afghans, Baby Blankets, Blankets, Decor, Featured

Afghan Knitting Patterns with Geometric, Op Art Designs, many free knitting patterns at

Bold graphic patterns for afghans, blankets, and throws create dramatic beautiful designs from op art, pop art, optical illusion, and mathematical formulas. Easier to knit than they look like they should be, they are fun to knit and will get you lots of compliments.

To get the knitting patterns, scroll down the page to the individual pattern you want and click on the link to that pattern.

These patterns are not my designs but links to other designers who have generously shared their patterns. If you have questions about how to knit a specific pattern, please contact the designer directly.

All links on this site are for informational purposes, but please note that some links are to affiliate sellers that pay me a small commission on purchases.

Free Knitting Patterns

Free Knitting Pattern for Mosaic Squares Throw

Mosaic Squares Throw

This colorful afghan is knit flat in sections of Zigzag Garter Stitch, Divider, and Mosaic Square patterns. Designed by Heather Lodinksy for Red Heart. Throw measures about 56 x 56″ [142 x 142 cm].

Free Knitting Pattern for Chevron Chase Blanket

Chevron Chase Blanket

Dramatic throw with zigzag pattern made with increases, decreases, and short rows. 32″ x 50″.Designed by by Rae Blackledge for Willow Yarns. Great stash buster!

Free Knitting Pattern for Mosaic Chevron Blanket

Mosaic Chevron Blanket

Great pattern for Bernat Blanket Yarn, this afghan features a two color mosaic zigzag that’s a quick knit in super bulky yarn.


OpArt Blanket

This high contrast, op art blanket is designed by Melissa Dominguez to appeal to a baby’s developing vision, but we adults love it too! Two sizes.

Escher Cubic Chart

Although this is a chart, not a pattern per se, it can be adapted to a blanket.

Artful Afghan / Centerpiece Treasure Afghan

The unusual shape of this Lion Brand design is achieved by knitting in the round and increasing out from the center. Approximately 64 inches diameter.

Tumbling Blocks Afghan Throw

Variations listed at Ravelry for fewer colors or larger blocks.

Star Afghan

Festive Star Afghan

Approx 70 ins [178 cm] diameter.

Free Knitting Pattern for Optic Blanket

Optic Blanket

Graphic blanket in striped squares knit in the round and joined by picking up stitches. Designed by Purl Soho. Finished dimensions: Approximately 48 inches wide x 56 inches long. Pictured project by knitsbakesruns

Image of Miters in Motion

Mitres in Motion Throw or Shawl

Simple decreases create the squares. The patchwork technique of adding squares as you go is done by picking up stitches along one side of the square to begin the next one. Each Square: 71/4inches x 71/4inches. Finished Dimensions of Shawl/Throw: 60inches x 30 inches.

Get the free knitting pattern

Free knitting pattern for Necks Best Thing Geometric Afghan and more geometric throw knitting patterns

Necks Best Thing Afghan

This graphic blanket from Michaels with a southwest touch knits up fast in Thick n Quick yarn. About 42″ x 52″ (106.5cm x 162.5cm)

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© Beverly Simmons

Escher Seahorse Afghan

Get the free knitting pattern designed by Beverly Simmons

Cascading Colors Mitered Blanket

Get the free knitting pattern

Squares on a Roll

Another fantastic design by Frankie Brown. Stocking stitch rolls add another dimension to these simple squares knitted in the round giving an exciting tactile fabric that is thick and warm.

Get the free knitting pattern

Southwestern Geometric Blanket

Approx 48″ x 60″ [122 x 152 cm].

Get the free knitting pattern designed by Yarnspirations

Get the recommended yarn on sale at Michaels

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Easy As Pie Blanket By Ann Richardson - Free Knitted Pattern - (ravelry)

Easy as Pie Blanket

Mathematics and knitting come together in this design by OneHandKnits. Garter stitch short-rows are used to to form a full ‘pie’ of rainbow slices and again to ‘square the circle’.

Get the free knitting pattern and see variations

Get the recommended yarn

Go Graphic (Geometric Baby Afghan)

This baby blanket design by Lion Brand is made of 12 squares. Size 30 x 40 in. (76 x 102 cm)

See variations and get the free knitting pattern


Graphic Gridwork Afghan knit in Bernat Super Value

Graphic Gridwork Afghan

This design from Yarnspirations includes a matching pillow pattern. Approx 47″ x 56″ [119.5 x 142 cm].

Patterns for Purchase

Knitting Pattern for Zagtarsia Blanket Knitting Pattern for Zagtarsia Blanket

Zagtarsia Blanket

A vibrant chevron pattern plays with color in intarsia in this fabulous knitted blanket. Designer Amy Gunderson created two sizes, so you can choose a smaller “lapghan” size (shown here) or a larger afghan or bedspread option.


Afghan Blanket Knitting Pattern: "A New Angle" falling blocks knitting pattern by Woolly Thoughts at Etsy #optical_illusion

A New Angle

3D illustion for an afghan blanket or wall hanging.

Get the knitting pattern at Etsy for $6.50

Curve Of Pursuit - PDF pattern for knitted afghan/wall-hanging

Curve of Pursuit

It may look complicated but, if you can knit garter stitch, you can make this.

Get the knitting pattern for $6.50

Penrose - PDF pattern for knitted afghan

Penrose Afghan

This afghan is based on a design sent to woollythoughts by the famous Oxford mathematican Sir Roger Penrose and is named in his honor.

Get the knitting pattern for $6.50

Revolution - PDF pattern for knitted afghan

Revolution Blanket

This is design is much easier than it looks. It is worked in one piece, using one colour at a time and with a maximum of around one hundred stitches on the needles. There is a tiny amount of stitching to be done.

Get the knitting pattern for $6.50


Fibo-optic Afghan / Wall Hanging

Fibo-optic uses the Fibonacci Sequence in two directions, in each of the three dimensions, to give the illusion of a large flying cube.
This design by woollythoughts is nowhere near as complicated to make as you may think. If you can knit garter stitch, you can do it.

Get the knitting pattern for $6.50

step up

Step Up

Optical illusion blanket knit with illusion knitting. There are never more than 20 stitches on the needles at any time. Most of the joining is done as you go but there are a few small seams left to be stitched.

Get the knitting pattern for $6.50

Optical Illusion Graph Chart Pattern - Afghan DOWNLOAD

Optical Illusion Afghan Graph Chart

I can’t find a picture of the finished afghan but it looks like it would be spectacular. The designer states that the actual graph size is 150x200. If you would prefer different stitch/row dimensions, let the designer know.

Get the chart for $3.75


Terry Matz

meTerry is a knitting late-bloomer, learning to knit as an adult from Internet tutorials, because she wanted a craft that was useful, fun, and portable. Knitting hats for cancer patients inspired her to design her own patterns—available for free at her blog, Terry met her husband Ken at a science fiction convention and moved to the Kansas City area to be with him more than 30 years ago. Terry supports her yarn stash by creating websites and other digital media. Terry firmly believes in Knitting in Public—it's a great conversation starter!

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