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Portia's Sail 4ply Knitting Pattern

Portia's Sail 4ply Knitting Pattern
4.5★ Rating
5-7 Hours Time Needed
4.1K Made This
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Intermediate Level

Ideal for those with basic crochet experience, featuring slightly more advanced stitches and techniques to expand your skills.

⏱️

Weekend Treat

Takes 5-7 hours, making it an enjoyable project to finish over a couple of days.

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Elegant Drape

Soft flow with graceful movement, designed to flatter all body types with sophisticated comfort.

About This Portia's Sail 4ply Knitting Pattern

Portia's Sail is a single-skein 4ply shawl pattern inspired by the lines of a sailing ship. You will create dropped-stitch lace panels and shaping that open beautifully when blocked. The pattern uses simple increases, yarn-overs and worked-back stitches to create a light, scalloped sail-like edge.

Portia's Sail 4ply Knitting Pattern crochet pattern - detailed view of completed project

This shawl is worked from a small cast-on to a wide wingspan and is easy to personalise with colour and finishing choices. One 100g skein of fingering yarn yields an approximate 179cm wingspan by 47cm depth.

Why You'll Love This Portia's Sail 4ply Knitting Pattern

I absolutely love this pattern because it captures the gentle motion of a sail with minimal, repeatable techniques. The design is playful yet elegant — perfect for showing off hand-dyed fingering yarn. I enjoy how the simple increases and yarn-overs create dramatic, open lace when blocked. It is satisfying to watch the shawl grow from a few stitches into a sweeping triangle, and I hope you will feel the same delight as you knit it.

Portia's Sail 4ply Knitting Pattern step 1 - construction progress Portia's Sail 4ply Knitting Pattern step 2 - assembly progress Portia's Sail 4ply Knitting Pattern step 3 - details and accessories Portia's Sail 4ply Knitting Pattern step 4 - final assembly and finishing

Switch Things Up

I love how easy this design is to personalise—try swapping the colourway for a tonal gradient or variegated skein to highlight the dropped-stitch sections.

If you want a chunkier shawl, I often change to a aran or DK yarn and increase needle size to create a plusher, quicker version.

To make a mini version for a neck scarf, use thinner yarn and smaller needles and stop after fewer repeats for a shorter wingspan.

I sometimes add beads to selected yarn-overs before blocking to give the lace a subtle sparkle for evening wear.

Consider adding a crocheted picot edge or a knitted I-cord border for a more finished, structured edge.

If you prefer a symmetrical straight edge rather than a waved sail edge, pin the lace evenly when blocking instead of using random points.

I also enjoy creating a set of matching accessories—try knitting simple wrist warmers or a small cowl using the same yarn and a simplified lace motif.

For a different silhouette, work additional repeats of the central shaping sections to increase depth and create a fuller triangular shawl.

Combine two 4ply skeins held together for a marled, cushioned fabric if you want added warmth and a more rustic look.

I recommend experimenting with different cast-on edges (long-tail, knitted cast-on, or provisional) to change how the starting point drapes around your neck.

Common Mistakes & How to Fix Them

✗ Skipping the slipped edge stitch at the start of each row can create uneven selvedges; always slip the first stitch to preserve the neat edge. ✗ Forgetting to drop the extra yarn-over when instructed will make the lace pattern incorrect; carefully follow the 'drop yoo' instruction to form the intended dropped-stitch effect. ✗ Using an inconsistent tension across increases and yarn overs can distort the shaping; maintain even tension and check your work every few pattern repeats for consistency. ✗ Not switching to the larger needle for blocking and cast off can tighten the edge; change to the 4.5mm needle for a loose bind-off so the lace opens properly when blocked.

Portia's Sail 4ply Knitting Pattern

Create an elegant, sail-inspired shawl with this row-by-row 4ply knitting pattern. You'll work simple lace sections, dropped-stitch effects and shaping to create a flowing triangular shawl that feels both light and sculptural. Perfect for those who enjoy texture and subtle lace, this pattern uses one 100g skein and clear instructions to guide you from cast-on to blocked finish.

Intermediate 5-7 Hours

Materials Needed for Portia's Sail 4ply Knitting Pattern

— Main Fabric

  • 01
    Fingering / 4ply yarn - Honey Girl Farms Yarns, Royal Fingering, colourway Moroccan Blue
  • 02
    1 x 100g skein (approximately 400m / 437 yards) - sufficient for the shawl as shown

— Tools Required

  • 01
    Knitting needles 3.5mm (US 4) for main work
  • 02
    Knitting needles 4.5mm (US 7) for loose cast off and blocking
  • 03
    Stitch markers (optional)
  • 04
    Tapestry / yarn needle for sewing in ends
  • 05
    Scissors
  • 06
    Blocking pins
  • 07
    Blocking mat or surface
  • 08
    Pins to create points on lace edge (optional)

Progress Tracker

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— Notes :

Info :

This is a single 4ply skein pattern that I have had great fun in creating as part of the Outlander inspired knit along in conjunction with Honey Girl Farms Yarns.

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I wanted to represent a sail from one of the ships that the characters journey on, and chose The Portia, which in the books is the ship that carries Jamie and Claire from Paris back to Scotland.

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It’s a piece with dropped stitches and eyelets and with the shaping I have used brings one skein of 400m to a shawl with dimensions of approx. 179cm wingspan by 47cm deep.

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I hope you have fun creating your sail and look forward to seeing the colours it appears in.

— Materials :

Info :

Needles…. 3.5mm US and 4.5mm US

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Yarn…. I have used Honey Girl Farms Yarns seen here in Royal Fingering in colourway Moroccan Blue

Info :

1 x 100g skein of 400m/437yrds

— Abbreviations :

Infos :

K…Knit. P…Purl. Slp1… slip the first stitch from the left to right needle without working the stitch. Yoo… wrap the yarn over the needle twice. K2tg… knit the next two stitches together. Yo… wrap the yarn around the needle once. Kfb..knit the stitch as normal but before transferring it to the right hand needle, also knit into the back of the stitch creating an extra stitch.

Info :

If you like to work to a gauge its 12 sts x 14 rows in garter stitch. It isn’t strictly needed for this pattern.

Info :

I have written the pattern here in the order it needs to be worked from the casting on point to casting off.

— Pattern Instructions :

Info :

Set Up

Info :

Cast on 4sts with 3.5mm needle

Row 1 :

Slp1, knit to the last stitch, yo, kfb

Row 2 :

Slp1, k2, yo, knit into back of next stitch, knit to the last 2 sts, k2tg

Info :

Repeat these 2 rows twice more

Section 1 :

1.Now work..

Row 1 :

Slp1, k2, yoo, k1, yoo, knit all stitches to the last stitch, yo, kfb

Row 2 :

Slp1, k2, yo, knit into the back of the next stitch, knit to the yoo, drop the yoo, k1, drop yoo, knit 1, k2tg

Info :

Repeat these 2 rows a further 29 times

Section 2 :

2.Now work..

Row 1 :

Slp1, k2, (yoo, k1) repeat the bracket across to the last stitch, yo, kfb

Row 2 :

Slp1, k2, yo, knit into the back of the next stitch, (drop yoo, k1) repeat the bracket to the last 2 sts, k2tg

Info :

Repeat these 2 rows twice more

Section 3 :

3.Now work..

Row 1 :

Slp1, k2, yoo, k1, yoo, knit all stitches to the last stitch, yo, kfb

Row 2 :

Slp1, k2, yo, knit into the back of the next stitch, knit to the yoo, drop the yoo, k1, drop yoo, knit 1, k2tg

Info :

Repeat these 2 rows a further 19 times

Section 4 :

4.Now work..

Row 1 :

Slp1, k2, yoo, k1, yoo, k1, (k2tg, yo) repeat the bracket 10 times across the row, knit all remaining stitches to the last stitch, yo, kfb

Row 2 :

Slp1, k2, yo, knit into the back of the next stitch, knit to the yoo, drop yoo, k1, drop yoo, k1, k2tg

Info :

Repeat these two rows another 9 times, each time increasing the (k2tg, yo) bracket by one repeat.

Section 5 :

5.Now work..

Row 1 :

Slp1, k2, (yoo, k1) repeat the bracket across to the last stitch, yo, kfb

Row 2 :

Slp1, k2, yo, knit into the back of the next stitch, (drop yoo, k1) repeat the bracket to the last 2 sts, k2tg

Section 6 :

6.Now work..

Row 1 :

Slp1, k2, yoo, k1, yoo, k1, (k2tg, yo) repeat the bracket 21 times across the row, knit all stitches to the last stitch, yo, kfb

Row 2 :

Slp1, k2, yo, knit into the back of the next stitch, knit to the yoo, drop yoo, k1, drop yoo, k1, k2tg

Info :

Repeat these two rows another 14 times, each time increasing the (k2tg, yo) bracket by one repeat.

Section 7 :

7.Now work..

Row 1 :

Slp1, k2, (yoo, k1) repeat the bracket 90 times, then knit across to the last stitch, yo, kfb

Row 2 :

Slp1, k2, yo, knit into the back of the next stitch, (drop yoo, k1) repeat the bracket to the last yoo, and then knit to the last 2 sts, k2tg

Section 8 :

8.Now work..

Row 1 :

Slp1, k2, yoo, k1, yoo, k1, (k2tg, yo) repeat the bracket 36 times across the row, knit all stitches to the last stitch, yo, kfb

Row 2 :

Slp1, k2, yo, knit into the back of the next stitch, knit to the yoo, drop yoo, k1, drop yoo, k1, k2tg

Info :

Repeat these two rows twice more, each time increasing the (k2tg, yo) bracket by one repeat.

Section 9 :

9.Now work..

Row 1 :

Slp1, k2, yoo, k1, yoo, knit all stitches to the last stitch, yo, kfb

Row 2 :

Slp1, k2, yo, knit into the back of the next stitch, knit to the yoo, drop the yoo, k1, drop yoo, knit 1, k2tg

Info :

Repeat these 2 rows a further 16 times

Section 10 :

10.Now work..

Row 1 :

Slp1, k2, yoo, k1, yoo, knit all the stitches to the last stitch, yo, kfb

Row 2 :

Slp1, (k2tg, yo) repeat the bracket to the last stitch before the yoo, k1, drop yoo, k1, drop yoo, k1, k2tg

Info :

Change to 4.5mm needle and loosely cast off all stitches.

Info :

Sew in the ends and block the shawl to open up the lace areas.

Info :

I have used pins to block the yoo lace edge into random points, this gives the shawl a slight waved edge as if the sail is blowing in the wind, or you can of course block it straight.

Info :

Blocked finished measurements are,179cm wing span by 47cm deep approx

Assembly Instructions

  • Change to 4.5mm needle and loosely cast off all stitches to allow the lace to open fully during blocking.
  • Sew in all loose ends using a yarn needle, weaving them into the garter stitch fabric so they are secure and hidden.
  • Block the shawl by pinning out the yoo lace edge into random points or evenly spaced points depending on the desired waved effect.
  • Use blocking pins and a mat to shape the shawl to approximately 179cm wingspan by 47cm deep, opening up the lace areas.
  • Use pins to create small points along the lace edge to emphasize the sail-like scalloped border before the shawl is fully dry.

Important Notes

  • 💡Work with consistent tension so your shaping and dropped-stitch lace remain even throughout the shawl.
  • 💡Switch to the larger needle for a loose cast off to prevent the edge from pulling in and to allow the lace to bloom when blocked.
  • 💡Pin the lace edge into points for a wavy sail effect, or block straight depending on the finish you prefer.
  • 💡The stated gauge of 12 sts x 14 rows in garter stitch is optional; the pattern is designed to work well without strict gauge matching.

Thank you for choosing Portia's Sail — may it flutter like a gentle breeze whenever you wear it. 🌬️ This single-skein 4ply shawl celebrates texture, motion and the joy of blocking to reveal lace. 🧶 Happy knitting, and enjoy watching your little sail come to life as you stitch and block! ✨

You ask,

we answer.

FAQs

What size will the finished piece be?

Blocked finished measurements are approximately 179cm wingspan by 47cm deep when using the recommended yarn and needle sizes.

Can I use different yarn weights for this pattern?

You can substitute yarn weights, but this will change the finished size and drape; if using a different weight, swatch and adjust needle sizes accordingly.

Do I need prior knitting experience for this pattern?

This pattern is rated intermediate; familiarity with yarn overs, knitting two together, slipped stitches and knitting into the back of a stitch is recommended.

How should I block the shawl to get the best lace definition?

Change to the larger needle for a loose cast off, then pin the lace edge into points on a blocking mat and steam or wet block to open the yarn-over lace and dropped-stitch areas.