Textured Prism Throw – Free Crochet Pattern

🧷 Finished Size

Each triangle motif measures approximately 5.5″ (14 cm) per side. Finished size will vary based on how many motifs you join. For a baby blanket (approx. 30″ x 35″), make around 36 triangles. For a throw, you may need 60+ motifs.


🧶 Materials

  • Yarn: DK Weight Cotton Yarn (e.g. Drops Muskat or Paintbox Cotton DK)
    – Color A: Blush Pink
    – Color B: Sage Green
  • Crochet Hook: 4.0 mm (G-6)
  • Tapestry needle
  • Scissors
  • Blocking pins and mat

🧵 Stitches & Abbreviations (US Terms)

  • ch – chain
  • sl st – slip stitch
  • dc – double crochet
  • tr – treble crochet
  • puff – puff stitch (described below)

📘 How to Do the Stitches

Puff Stitch:
Yarn over, insert hook into stitch, yarn over and pull up a loop 3 times (7 loops on hook), yarn over and pull through all loops.


🧩 Triangle Motif – With Chart Explanation

🔰 Chart Overview:

The chart shows a symmetrical triangle built from the center out, with increases at three corners on every round. It uses:

  • Double crochets (dc) for most of the work
  • Chains (ch) to create corner spaces and shaping
  • A magic ring to begin in the center

🔹 Foundation Round (Center of Triangle)

Start with a magic ring:

  • (Ch 3, dc, ch 2) – first triangle corner
  • (2 dc, ch 2) – repeat two more times
  • Slip stitch to top of ch-3 to close round

🧮 You now have:

  • 3 sets of 2 dc
  • 3 ch-2 corner spaces

These form the triangle’s three corners.


🔹 Round 2

In each ch-2 corner space:

  • Work (2 dc, ch 2, 2 dc)
    Between corners:
  • 1 dc in each dc from the previous round

🧮 This expands each side and maintains the triangle shape.


🔹 Round 3 and Beyond

Keep working in the same pattern:

  • In each corner: (2 dc, ch 2, 2 dc)
  • In side stitches: 1 dc in each dc

Every round adds 4 stitches per side (2 on each side of the corner).


🔺 Triangle Growth Chart Breakdown (visually mapped):

Here’s how each round builds out, referencing the chart:

RoundCorner (Each)Side Between CornersTotal DC per Side
12 dc, ch 2 (x3)None2
2(2 dc, ch 2, 2 dc)2 dc6
3(2 dc, ch 2, 2 dc)6 dc10
4(2 dc, ch 2, 2 dc)10 dc14
514 dc18

🔁 Keep repeating until the triangle reaches your desired size.

🧶 Final Notes:

This method ensures perfect symmetry for modular assembly into blankets or shawls.

Each corner space should always be a ch-2.

Always work (2 dc, ch 2, 2 dc) into each corner space.

📏 Blocking Tips

Steam or wet block each triangle before joining to ensure clean edges and uniform size. Use pins to shape the triangles precisely.

🛠 Example Usage:

These triangle motifs can be:

  • Whip stitched together to form a honeycomb blanket
  • Used as building blocks for bags or wraps
  • Made in contrasting colors for a 3D effect

🎨 Customization Ideas

  • Use gradient or ombre yarn for a color-fade effect.
  • Make a cushion cover, wall hanging, or table runner using the same triangle motif.
  • Vary the yarn weight and hook size for different textures.

🧼 Care Tips

  • Hand wash gently in cold water.
  • Lay flat to dry.
  • Avoid wringing or tumble drying to maintain shape.

❓ FAQs

Q: Can I make it with acrylic yarn?
Yes, but cotton or cotton-blend will give more stitch definition.

Q: Is this suitable for beginners?
This is a great confident beginner pattern. Knowing basic stitches is enough, and the motif repeats.

Q: How many motifs do I need for a baby blanket?
Approximately 36 triangles (6 x 6 layout).

🧵 Final Thoughts

The Textured Prism Throw is a beautiful blend of geometry and texture. Whether you’re making it as a gift or to cozy up your own home, it’s sure to stand out. Tag your projects with #PrismThrow #CozyYarnVibes on Instagram so we can admire your creations!

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