Classic Triangle Crochet Bikini Top
This adjustable triangle bikini top is perfect for summer! Made with lightweight cotton yarn and basic crochet stitches, it’s beginner-friendly and easily customizable for any size. Ideal for the beach, festivals, or layering.
Materials
– Sport weight cotton yarn (approx. 80g)
– 3.5 mm crochet hook
– Tapestry needle
– Scissors
– Optional: elastic or lining fabric
Instructions
Each cup is made separately, then connected with chain ties.
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Cup (make 2):
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Ch 12.
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Row 1: Sc in 2nd ch from hook and across (11 sts). Ch 1, turn.
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Row 2: 2 sc in first st, sc across to last st, 2 sc in last st (13 sts). Ch 1, turn.
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Row 3–10: Repeat Row 2, increasing 1 stitch at each edge every row (add 2 sts per row).
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Stop when you reach approx. 25 sts wide or desired size.
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Fasten off.
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Edging (for each cup):
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Attach yarn to bottom corner.
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Work sc evenly along the two angled sides of the triangle.
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Ch 50 at the top corner for the neck tie.
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Repeat for second side and bottom, chaining 70 across for the bottom band.
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Joining Cups:
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With both cups facing right side out, connect them by chaining 10 and stitching the inner bottom corners together.
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Add or adjust chain length for comfort and spacing.
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Finishing:
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Weave in all ends.
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Optionally sew in a fabric lining or use swim elastic along the base for extra support.
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How To
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Adjusting Size:
Add or reduce rows to change cup size. Add more stitches between cups if needed for wider chests. -
Yarn Matters:
Use cotton for comfort, but note it absorbs water — not ideal for heavy swimming unless lined. -
Secure Fit Tip:
Try the top on before finalizing tie lengths. Add stoppers or beads at tie ends if desired. -
Block Lightly:
Wet block your cups for smooth edges and uniform shape. -
Custom Colors:
Stripes, ombre, or colorblock all look amazing with this pattern.
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