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How to Crochet Triangles in Spiral Rounds

There are many different ways on how to crochet triangles, this pattern will explain you how to crochet a triangle in spiral rounds. With the base shape of a triangle you can easily create 3-dimensional shapes as the tetrahedron or triangular boxes and blocks.

Crochet triangles can be used as cloths, table runner, blankets, kerchief, pottholders, coasters and easy ponchos made out of two triangles. For Amigurumi they can be used as ears, scales, horns, hands, feet and many more elements.

The depicted Crochet Triangle have been crocheted with the “Schachenmayr Catania” yarn with a 2.5 mm crochet hook.

Triangle Crochet Pattern

Needed Techniques

  • Magic Ring
  • Single Crochet (sc)
  • Increase

Needed Materials and Tools

  • 2.5 mm Crochet Hook
  • Stitch Marker
  • Colors: blue
  • This pattern was crocheted using the „Schachenmayr Catania“ yarn (100% Cotton, Meterage: 125 m, Yarn Ball Weight: 50 g, Yarn Weight: Sport – 5ply / Fine (2)) in the following colors:
  • Cloud (Wolke (247))

All materials used are available on Amazon (Affiliate Link):

Schachenmayr Catania 9801210-00247 wolke Handstrickgarn, Häkelgarn, Baumwolle
Materialzusammensetzung: 100% Baumwolle; Ökotex 100 Zertifiziert
2,45 EUR
addi Swing Häkelnadel mit ergonomischem Softgriff 2.5 mm, 140-7
2.5 mm; ergonomischer Softgriff; jede Nadelstärke eine eigene Farbe; Made in Germany
9,80 EUR

Crochet Triangle

The triangle is crocheted in Cloud in spiral rounds with single crochet stitches.

Use the check boxes to mark your finished rounds, rows and steps.

  • Crochet the triangle in spiral rounds in Cloud.
  • Round 1: 3 sc into the Magic Ring (3 stitches).
  • Round 2: [4 sc into the next stitch stitch] repeat till end of round (12 stitches).
  • Round 3: 2 sc, [4 sc into next stitch, 3 sc] repeat 2 times, 4 sc into next stitch, 1 sc (21 stitches).
  • Round 4: 4 sc, [4 sc into next stitch, 6 sc] repeat 2 times, 4 sc into next stitch, 2 sc (30 stitches).
  • Round 5: 6 sc, [4 sc into next stitch, 9 sc] repeat 2 times, 4 sc into next stitch, 3 sc (39 stitches).
  • Round 6: 8 sc, [4 sc into next stitch, 12 sc] repeat 2 times, 4 sc into next stitch, 4 sc (48 stitches).
  • Round 7: 10 sc, [4 SC into next stitch, 15 sc] repeat 2 times, 4 sc into next stitch, 5 sc (57 stitches).

Done is your crochet triangle. Continue crocheting additional rounds with the same formula for a bigger triangle. Each round must have an increase by 9 stitches.

Here the next rounds for a larger triangle:

  • Round 8: 12 sc [4 sc into next stitch, 18 sc] repeat 2 times, 4 sc into next stitch, 6 sc (66 stitches).
  • Round 9: 14 sc, [4 sc into next stitch, 21 sc] repeat 2 times, 4 sc into next stitch, 7 sc (75 stitches).
  • Round 10: 16 sc, [4 sc into next stitch, 24 sc] repeat 2 times, 4 sc into next stitch, 8 sc (84 stitches).
  • Round 11: 18 sc, [4 sc into next stitch, 27 sc] repeat 2 times, 4 sc into next stitch, 9 sc (93 stitches).
  • Round 12: 20 sc, [4 sc into next stitch, 30 sc] repeat 2 times, 4 sc into next stitch, 10 sc (102 stitches).
  • Round 13: 22 sc, [4 sc into next stitch, 33 sc] repeat 2 times, 4 sc into next stitch, 11 sc (111 stitches).
  • Round 14: 24 sc, [4 sc into next stitch, 36 sc] repeat 2 times, 4 sc into next stitch, 12 sc (120 stitches).
  • Round 15: 26 sc, [4 sc into next stitch, 39 sc] repeat 2 times, 4 sc into next stitch, 13 sc (129 stitches).
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