15 Free 3D Optical Illusion Crochet Blanket Patterns

Wacky Blocks Blanket Pattern

The Wacky Blocks Blanket was designed by Jellina at Jellina Creations. This modern and stylish project looks like the squares are moving (at least to my eyes!) You will need Medium Weight Yarn [4] and a 5 mm (H) hook.

Brain Teaser Blanket Pattern

The Brain Teaser Blanket was designed by Jellina at Jellina Creations. I really love how this finished project, with it’s brilliant rainbow of colored blocks looks. Each block literally looks like it is 3 dimensional. You will need Fingering Weight Yarn [1] and a 3 mm hook.

Bernice Blanket Pattern

The Bernice Blanket is one of my favorite designs by Jellina Verhoeff (so far). I feel like I am falling into the center of this blanket. She has created such depth to this with the colors she used. You will need Fingering Weight Yarn [1] and a 5 mm (H) hook.

Neil’s Temperature Blanket

Neil’s Temperature Blanket by Kaye Adolphson is a unique way to make an illusion blanket. The design is created by using half granny hexagons in 2 color pallets. The pattern is in UK Crochet Terms.

Pyramid Afghan

The Pyramid Afghan by Bernhard Ulmann Co. is crocheted with Medium Weight yarn and a 3.5 mm (E) hook. The finished project measures 48 inches X 72 inches.

Tumbling Blocks Blanket

The Tumbling Blocks Blanket by Kat Li is created using Y-Shaped Tumbling Blocks. You will need Medium Weight Yarn and a 5.5 mm (I) hook.

Cubine Blanket

The Cubine Blanket designed by Magdalene Lee is based on the art of Zentangle. Her project is crocheted with DK Weight Yarn [3] with a 4 mm (G) hook. The finished size is 40 inches X 40 inches.

Blazing Diamonds Reversible Afghan

The Blazing Diamonds Reversible Afghan by Hazel Furst is crocheted with Medium Weight Yarn [4] and a 5 mm (H) hook. The finished afghan measures 50 inches X 65 inches.

Baby Blocks Crocheted Blanket

Baby Blocks was crocheted with Medium Weight Yarn [4] and a 5 mm (H) hook. The finished blanket measures 42 inches X 44 inches in size. The blanket is created in a join as you go way and each motif measures 4 inches by 6.5 inches.

Double A Design Blanket

The Double A Design Blanket was a combined design effort between Atty’s and Annelies Baes. Annelies used DK Weight Yarn [3] and a 4 mm (G) hook to make her shadowed squares. She used a 4.5 mm hook to join the squares into the design.

3D Diamond Throw

The 3D Diamond Throw available from Spotlight Australia is a fun twist on the regular diamond throws available. The diamonds are created using 15 X 10 cm granny squares. You will need DK Weight Yarn [3] and a 6 mm (J) hook.

Isometric Pattern

The Isometric designed by Solveig Grimstad creates a fantastic optical illusion blanket. Her post is filled with photos and diagrams to help you make your own afghan. She crocheted her blanket with DROPS Karisma and a 4.5 mm hook.

Optical Illusion Afghan Pattern

The Optical Illusion Afghan designed by Lois Olson is crocheted with Medium Weight Yarn [4] and a 4 mm (G) hook. This is a very unique afghan and the first one using the pinwheel illusion that I have seen online.

Diamond Blanket Pattern

I really like how Jellina at Jellina Creationscreated these blocks with 3 diamonds in different colors sewn together. It creates a stunning visual illusion with the colors she chose. There is a lot of depth to them and it is the first 3D Blanket I have seen that makes me see upside down cubes and upright cubes.

C2C Illusion Blanket Pattern

This C2C Illusion Blanket from Trish Smith is available as a Video Only. Watch the video tutorial here.

These 2 Optical Illusion Blanket Patterns are available for purchase:

• Crochet Pattern Diamond Heart Throw
• Fools Gold Illusion Blanket