How to do short row bust shaping – practical example

In this article we explore short row bust shaping in a specific example, one of my WIPs. You can see how I calculated everything necessary to get a perfect fit around my figure and use these steps to make your own custom fit garments.

I really want to make clothes that fit and while I’m at it, I intend to share the process with you, over several garments that I customize to my size.

There aren’t many specific tutorials that show you exactly what to do to use short rows in projects, or I can’t find them, but this is what I did, based on my own knowledge in the realm of design and shaping.

You can use these instructions to customize your own garments. As we know too well, patterns are guidelines, not rules. They give you the structure and you build a custom item on top of that.

Today we’re tackling short rows for bust shaping, why you need them, how to make them in knitting. The same principles can be applied in Tunisian crochet.

Introduction to my current WIP

Remember that WIP parade I showed you recently? Yeah, the one with 6 WIPs. Well, guess what. I only finished one and started another project…

In the meantime I finished another one, so I’m down to 5 active WIPs, but still.

This project is a knit test for someone who posted in the Facebook Pattern Testers group (where I sometimes post testing calls if I can’t find testers in my subscriber list, so if you want to test for me, make sure you’re subscribed to my emails). I saw it, I wanted to make it, that was it.

I’m quite advanced in knitting, but can’t for the life of me stick to larger projects, so having a tight deadline is a good motivator to just do it.

The designer is Yvette Kim and you’ll find her work here.

The design is a tube dress and the construction is exactly that. A tube with some shaping in the important parts.

It’s worked top-down and has a calculator for you to calculate increases and decreases based on your specific shape. So you only have a few instructions and the rest is completely customizable.

But since there’s no shaping until the bust measurement and I have some experience with not accounting for bust volume and getting folds in the back of garments (while sewing and crocheting, even knitting in this project, where we had short rows at the top of the back), I decided to add short rows to the front to make space for my chest.

It’s also possible to do it with vertical darts by doing the same shaping that is used in the pattern to shape the hip area, but there’s only so much you can increase at the sides over a short distance without distorting the whole garment and messing up the stitch counts.

Like this, you create a “pocket” of fabric anywhere, without altering the stitch counts, can make it as large or as small as you need it and it’s a little visible (in my case, because I’m still new to short rows), but in the end looks exactly like a bust dart looks on fabric clothing.

About short row shaping

Short row bust shaping sounds scary until you actually do it. Then it’s an “Aha!” moment and you’ll never want to go back to unshaped garments.

You can add short row shaping to any part of a pattern that needs it, such as heels on socks, the lower front of a garment to accommodate a belly, at the top of the back to accommodate a hump, at the side of a sleeve to accommodate an upper arm flap in a straight sleeve (a flap which, by the way, is a lot more common than you think, but you never see one even on “plus size” models).

Short rows are magic and the only trouble you’ll ever have with them is including them in lace or colorwork, but even those can be figured out with some patience.

They can be made in any craft, not just knitting. For example, in Tunisian crochet they are very easy to make and to add to anything. In regular crochet, shaping is easier with vertical darts, so you increase on each row either at the end of the row or close to the bust apex.

I will write separate articles about bust shaping in crochet garments. For now, we’ll concentrate on my tube dress example.

How I did short row bust shaping on my tube dress

Since you can add short row bust shaping to anything, first you’ll need a pattern and some measurements.

I will base all my examples on the tube dress pattern.

You have the places where to take measurements on the schematic below.

These measurements are done with arms down/relaxed and while wearing your preferred underthings for the specific project you have in mind.

Schematic with measurements for short row bust shaping, showing from the side: A - overbust, B - bust, C - waist, D - side length, E - front length, F - short rows E-D
Side view of bust with measurements.

A is the overbust circumference measurement, in this case the point where you want the dress to start, since it’s strapless. I chose the count that works for my size, about 98 cm or 38.5″. You won’t need it for sweaters, for example, where you have other points of measurement.

B is the maximum chest circumference measurement. At this line you will create the short rows.

C is the waist circumference. You will use this line to measure the side length and the front length.

D is the side length, from A to C. This will inform the number of rows you need to make to reach the waist.

E is the length along the front of the body, also from A to C. You measure along one breast, not between them.

F is the difference between E and D and will inform how many short rows you will make for the short row bust shaping.

Once you have all your measurements, you can visualize them nicely in a table.

MeasurementValue (cm/”)Rows
A: overbust
B: bust
C: waist
D: side length
E: front length
F: short rows (E-D)

Use the stitch gauge from your pattern to calculate how many rows you need to have in the short row section.

Here’s what the table looks like for me.

MeasurementValue (cm)Rows
A: overbust98
B: bust104
C: waist84
D: side length2064
E: front length2890
F: short rows (E-D)826

Use the gauge to figure out the starting stitch count and pick the appropriate size from the pattern.

Then work in pattern until your reach the point on the side where you took measurement B.

Now you begin the short rows to create the space for the bust, without altering the stitch count.

Measurement F tells you how many short rows you need, so all you need to figure out now is placement.

measurements for bust short row shaping 02
Front view of bust with short row shaping.

I will assume you want to make an “hourglass” type of short row bust shaping, where you start with the longer rows, make shorter rows, then increase the length until you reach back to the original length of the row, like in the drawing below.

short row shaping rows
How short rows are built. Start from the end of one arrow and follow the arrows based on the color progression.

There’s also an option of making only one trapeze shape, instead of two, like in the hourglass, but I will not discuss it here (see the end of this article for a link to a tutorial on that shape).

Placing the bust shaping short rows

The bust short rows need to start about 2-4 cm from the side seam, towards the front, and end about 2-4 cm before the apex on each side. That means that the shortest short rows will not be much shorter than the longest ones.

You need to take decisions here based on how many stitches you have on your needles.

First, place a stitch marker at the side seam, if you haven’t already. The beginning of the row stitch marker will count as the other side seam marker (in this pattern, in any other pattern place two stitch markers, one at each side).

Use your gauge, the bust (B) minus 2-4 cm on each side (B minus 4 to 8 cm), and the distance between the apexes, plus 2-4 cm on each side (apex distance plus 4 to 8 cm), to calculate how long the longest and the shortest short rows need to be. You can tweak the numbers if you need to.

In my case, I chose the longest to be 100 stitches and the shortest 76.

You take the difference between those two stitch counts (24 in my case) and spread them out across the number of rows you have, considering that you need two of each if you want to make the “hourglass” shape and not just a trapeze.

I need to make 13 pairs of short rows, so the whole section would be worked over 26 rows and would give me a “pocket” that’s 8 cm wide across the front and 100 stitches wide at the widest point.

I made a table with the row counts, but messed something up, so the next best thing was making a chart. With a chart you can visualize exactly which stitch does what.

The wrapped stitch is not worked and not counted as part of a short row where it appears.

Shaping Stitch Fiddle
Chart with short rows – 70 stitches are missing from each row for clarity. Chart made in Stitch Fiddle.

After you reach the middle of the short row section, you increase the length of the short rows and start working the previously turned stitches.

That means that you need to work the first turned stitches into the new rows, as well as the just turned stitches.

This tripped me up a bit, but the chart fixed everything. Here’s the correct stitch counts for each row.

RowStsRowStsRowSts
110011802190
29812782292
39613772394
49414762496
59215782598
690168026100
7881782  
8861884  
9841986  
10822088  

You will notice that rows 12-15 are not exactly symmetrical, that’s because I wanted to offset the turning stitches so I wouldn’t have to turn over them again.

I used the table to tick off worked rows and stitch markers to keep track of the short rows.

If you have a similar difference (measurement F) as me for this pattern, you can use these numbers, but you can also use them as a starting point to make your custom table of stitch and row counts.

Example of short row bust shaping in incomplete project, seen from the side
Here’s what the fabric looks like when worn, after I finished decreasing to reach the waist (I have no waist, never did, but we can just imagine one there).

In my project, the turning points for the short rows are slightly visible because I had no idea what I was doing (I told you I messed up the second part of the hourglass), but this is a lesson learned and from now on I’ll have this tutorial to follow for future projects.

How to turn when making short rows

There are different ways of making short rows. I used German short rows for this project, because that’s what I knew, but there are at least 5 short row turns and probably more that I don’t know how to find.

Here’s a list article with examples of 5 ways to turn short rows (there are no tutorials there, but you can look them up based on the names or see below).

Here’s a video that shows you how to make the different kinds of short rows and a comparison between them.

You can try them all and see which one makes the most sense.

I’ll probably try the Wrap and Turn method on my next project with short row shaping.

Here’s one article that I found very useful for explaining the Wrap and Turn method and how to make the ends of the short rows invisible.

Here’s another article I found about short rows and an actual example of them being used for bust shaping in the trapeze shape. If my overly verbose explanations don’t make sense to you, maybe try their method.

Wrapping up

Now I’m off to working on increases in my project, as the deadline is really tight and knitting is slower than other crafts, even for a quick knitter like me (who am I kidding, I’m off to edit a pattern).

I used the same table structure to map out decreases towards the waist and increases towards the hips, so I’d recommend you do the same.

When the dress is finished I’ll add a few photos here.

For now, I hope this helps you figure out how to use short row shaping for your own projects and please let me know if I can make things clearer, if you have questions or suggestions, my comments are always open.

Hugs and happy crafting,

Andrea

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