Trinity Stitch Drawstring Bag Pattern

ByLina Morgen
Trinity Stitch Drawstring Bag Pattern

Materials

  • 6mm/J crochet hook (or one size larger than your usual size to meet gauge)
  • Worsted weight yarn (approx. 150g or 270 yards). The example uses Red Heart All In One Flower Power.
  • Locking stitch markers
  • Tapestry needle for weaving in ends

Abbreviations

This pattern uses US crochet terminology.

  • ch: Chain
  • sl st: Slip stitch
  • sc: Single crochet
  • inc: Single crochet increase (2 sc in the same stitch)
  • hdc: Half double crochet
  • st(s): Stitch(es)
  • flo: Front loop only
  • ch sp: Chain space
  • rd(s): Round(s)
  • […]: Repeated group of stitches

Special Stitch: Trinity Stitch

The Trinity Stitch is essentially a single crochet three together (sc3tog) worked into the same stitch you just finished, plus the next two stitches. After completing the sc3tog, you will chain one (except for the last stitch of the round).

When working into a row of trinity stitches from the previous round, the first and third loops of your new stitch will go through both loops of the chain stitches from that round.

Finished Trinity Stitch Drawstring Bag - Front View
Finished Trinity Stitch Drawstring Bag - Side View


Gauge and Sizing

Gauge is not critical for this project. The final bag will be slightly wider than the base. As written, the finished bag measures:

  • Base Diameter: Approximately 5.5 inches (14 cm) after round 8.
  • Bag Width: Approximately 7 inches (18 cm).
  • Bag Height: Approximately 9.5 inches (24 cm) tall, with the drawstring positioned at 8 inches (20 cm).

If you adjust the number of rounds in the base, remember to add an extra increase in the final round to ensure you have an odd number of stitches for the body. If you change the bag’s height, begin the drawstring hole section (round 34) on an odd-numbered round.

Trinity Stitch Drawstring Bag Crochet Pattern

Pattern Notes

  • The total stitch count for each round is in parentheses.
  • The bag base (rds 1-8) is worked in a continuous spiral.
  • The main body (trinity stitch section) is worked in joined rounds, turning your work after each round. Even-numbered rounds are worked from the inside, and odd-numbered rounds from the outside. The ch 1 at the beginning of these rounds does not count as a stitch.
  • The drawstring channel is worked in a continuous spiral.
  • If round 9 is difficult, you can skip it and work round 10 directly into the back loops of round 8.
  • Do not place a chain between the starting/ending sc stitches and the first/last trinity stitches on each body round.

Bag Instructions

Bag Base

  1. Make a magic loop, sc 8 into the loop, and pull tight. (8)
  2. Inc in each st around. (16)
  3. [Sc, inc] around. (24)
  4. [Sc 2, inc] around. (32)
  5. [Sc 3, inc] around. (40)
  6. [Sc 4, inc] around. (48)
  7. [Sc 5, inc] around. (56)
  8. [Sc 6, inc] six times, sc 5, inc twice. (65)
The base of the crochet bag after round 8.

Bag Body

  1. Sl st in the front loop only (flo) of each st around. (65)
  2. Working in the back loops of round 8: sl st, ch 1 (these do not count as stitches). Sc in the first st and place a stitch marker. Work trinity stitches across to the last stitch. Sc in the final stitch (which shares a space with the last leg of the final trinity stitch). Do not ch 1 after the final trinity stitch. Join with a sl st to the marked sc. Ch 1, turn. (73 sts: 2 sc, 36 trinity stitches, 35 ch-1 spaces)
  3. Sc in the sc from the previous round (mark this stitch). Work trinity stitches across to the last stitch. Sc in the final stitch. Join with a sl st to the marked sc. Ch 1, turn.
  4. Rounds 12-32: Repeat the instructions for round 11. Continue moving your stitch marker up with each round. Remember, odd rounds are worked with the right side facing you, and even rounds with the wrong side facing.
The back seam created by joining and turning on the body of the bag.

  1. Working on the right side, sc in each stitch across. Place one sc in each sc from the previous round, and one sc in each trinity stitch and each chain space. Do not join or turn. (73)
  2. Hdc in the first st of rd 33. [Ch 1, skip next st, hdc in next two sts] 24 times. Do not join or turn. (49 hdc, 24 ch sp)
  3. Sc in each st and ch sp around. Join with a sl st to the first sc. Ch 1, turn. (73)
  4. Rounds 36-39: Repeat the instructions for round 11. At the end of round 39, join with a sl st and fasten off.

Drawstring Instructions

Chain to your desired length. The chain should be long enough to weave through the eyelet holes of round 34 and tie comfortably. For the bag pictured, chain 121.

Starting in the 2nd chain from the hook, sl st into BOTH LOOPS of each chain back to the beginning. Fasten off.

Note: This method can be slow. Alternatively, you can slip stitch into the back bump of the chain, braid several strands of yarn together, or create a knitted i-cord.

Assembly and Finishing

  1. Weave in all your ends securely using a tapestry needle.
  2. Starting on the side of the bag opposite from your round seams, weave the drawstring in and out through the eyelet holes created in round 34.
  3. Pull to cinch the bag closed and tie in a bow or knot

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