3. Bottom Diamond Motifs
Make one motif in each of the following colors:
- Color C
- Color D
- Color E
- Color F
Follow the instructions below.
Increase Section
Foundation: Chain 4.
Row 1 (RS): Make 1 double crochet in the fourth chain from the hook. This counts as 2 double crochets. Turn.
Row 2: Chain 3, counting as a double crochet throughout. Make 1 double crochet in the next double crochet. Turn. (2 dc)
Row 3: Begin increasing. Make 1 double crochet in each double crochet. Turn. (3 dc)
Row 4: Chain 3. Skip the first double crochet. Make 1 double crochet in each double crochet until the last stitch, then make 2 double crochets in the last stitch. Turn. (4 dc)
Row 5: Make 1 double crochet in each double crochet across. Turn. (5 dc)
Repeat the last 2 rows twice more, increasing as directed, until you have 9 double crochets.
Decrease Section
Next row (WS): With the wrong side facing, decrease by making 1 double crochet in each stitch until the end of the row. Turn. (8 dc)
Next row: Chain 3. Make 1 double crochet in each double crochet until the last 2 stitches. Work the last 2 stitches together using dc2tog. Turn. (7 dc)
Repeat the last 2 rows twice more, following the decrease sequence.
Next row: Begin the final decrease. Make 1 double crochet in the next stitch, then make 2 double crochets as directed in the original pattern. Turn.
Next row: Work dc2tog. Fasten off.
4. Two-Color Top Triangle Motifs
Make 4 motifs.
Begin with Color B and follow the increase instructions for the Bottom Diamond Motif, working from the foundation through the final increase row.
Once the increase section is complete, switch to Color A.
Continue with the decrease instructions for the Bottom Diamond Motif, following the original shaping sequence.
Fasten off when complete.
Using two colors in the same motif helps create the contrast needed for the finished illusion.
5. Corner Motifs
Make one corner motif using Color A and one using Color G.
For each motif, follow the increase instructions for the Bottom Diamond Motif, from the foundation chain through the final increase row.
Fasten off when complete.
Important: The right side and wrong side will be reversed during assembly, so keep this in mind when arranging the corner pieces.
Assembling the Blanket
Once all your motifs are finished, it’s time to bring them together.
Lay the pieces out according to the original assembly diagram. Take a moment to check the placement of each color and shape before sewing anything together.
This step is especially important because the three-dimensional effect depends on how the motifs are arranged. Even a small change in placement can alter the overall appearance.
When you’re happy with the layout, sew the motifs together using a flat seam.
Try to keep the seams neat and even so the finished blanket lies flat and the geometric design remains clear.
If possible, take a photograph of your arrangement before sewing the pieces together. It can be a helpful reference if you need to move any motifs while assembling the blanket.
Adding the Border
The border gives the blanket a neat, finished edge and helps bring the entire design together.
Use Color B for the border.
Round 1
With the right side facing you, attach the yarn with a slip stitch in any corner.
Chain 1, then work single crochet stitches evenly around the entire blanket. Make 3 single crochet stitches in each corner to help the border lie flat.
Join with a slip stitch to the first single crochet.
Round 2
Chain 1.
This round is worked from left to right rather than in the usual direction.
Work 1 reverse single crochet in each single crochet around the blanket.
Join with a slip stitch to the first stitch.
Fasten off and weave in any remaining yarn ends.
Your 3D Illusion Blanket is now ready to use or give as a handmade gift!
ILLUSION BLANKET PDF
Printable Pattern and Diagram
If you’d like to keep the instructions beside you while crocheting, look for the original Yarnspirations PDF version of the pattern. A printed copy can make it easier to follow the different motifs and keep track of your progress.
The assembly diagram is particularly helpful for understanding how the individual shapes fit together. Be sure to refer to it when arranging your motifs.
Video Tutorial
Sometimes it’s easier to understand a crochet technique when you can watch someone demonstrate it.
For that reason, a video tutorial can be a useful companion to the written instructions, especially when you’re working on the increase and decrease sections or joining the motifs.
The original article recommends a video from Marifu6a’s YouTube channel. You can look for the relevant tutorial on the channel and follow along as you work through the pattern.
Combining a written pattern with a visual demonstration can help you understand the construction and see how the finished design comes together.
Final Thoughts
The 3D Illusion Blanket is one of those crochet projects that makes you appreciate just how much can be done with yarn and a little creativity. The individual pieces may look simple on their own, but once they’re arranged together, they create a design that seems to have depth and movement.
I especially love how much the color choices can change the finished look. You can follow the original palette for a classic geometric effect or experiment with your own favorite shades to make something that feels more personal.
If you’re planning to make this blanket, take your time with the motifs and pay attention to their placement during assembly. That’s where the magic of the design really comes together.
And remember, handmade projects don’t have to be rushed. Enjoy the process, one stitch at a time, and give yourself the chance to see your hard work turn into something special.
Have you tried a crochet blanket with a 3D effect before? I’d love to hear what colors you’d choose for this design!
If you know someone who enjoys crocheting, feel free to share this pattern with them. It might be just the inspiration they need for their next project.
Happy crocheting, and thanks for stopping by Soofha! 🧶💕
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Free PDF Pattern
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