Granny Square Crochet Patterns

Crochet Interlocking Geometric Quilt Square Free Pattern

Anonymous • October 05, 2026

Crochet Interlocking Geometric Quilt Square Free Pattern

Materials:

  • Worsted weight yarn in four colors: Blue (Color A), Gold (Color B), Grey (Color C), Cream (Color D)
  • Crochet hook size H/8 (5.0 mm)
  • Tapestry needle
  • Scissors

Finished Size:

Square measures approximately 12 inches by 12 inches.

Gauge:

12 dc and 8 rows = 4 inches

Abbreviations:

  • ch = chain
  • sc = single crochet
  • dc = double crochet
  • sl st = slip stitch
  • st(s) = stitch(es)
  • rnd = round

Instructions:

Base Loop (Make 2 in Color A, 1 in Color B, 1 in Color C):

  1. Ch 76. Join with sl st to form a ring, being careful not to twist.
  2. Rnd 1: Ch 2 (counts as dc), dc in each ch around, join with sl st to first dc. (76 dc)
  3. Rnd 2: Ch 2, dc in same st as joining, *dc in next 18 sts, 5 dc in next st, dc in next 18 sts*, repeat from * to * once, join with sl st to first dc.
  4. Fasten off and weave in ends.

Assembling the Square:

  1. Lay one of the Color A loops flat. Weave the Color B loop through it, positioning it at a 90-degree angle.
  2. Weave a second Color A loop through the Color B loop, aligning it parallel to the first Color A loop.
  3. Add the Color C loop by weaving it through both Color A loops and alternating the inclusion of the Color B loop, creating the interlocking pattern.
  4. Ensure all loops are flat and evenly spaced.

Border (Using Color D):

  1. Attach Color D yarn to any corner of the assembled square.
  2. Rnd 1: Ch 1, sc evenly around the square, working 3 sc in each corner, join with sl st to first sc.
  3. Fasten off and weave in all ends securely.

Finishing:

Block the square to size and shape if desired to ensure crisp edges and a polished look.


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