Skip to Content

How to Crochet Triangles in Spiral Rounds

This post is also available in: Español

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 has been crocheted with the “Schachenmayr Catania” yarn with a 2.5 mm crochet hook.

Triangle Crochet Pattern

Needed Techniques

Needed Materials and Tools

To order the materials click on the respective link (affiliate link).

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. The distance between the three corners increases by 3 stitches from corner to corner with each round, for a total of 9 stitches per round.

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).

This post is also available in: Español

Please visit the Shop for printable Patterns!