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Understanding Pattern Envelopes Can Be Confusing!

Picking your correct size from the pattern or using the correct fabrics for that pattern can make or break your project! Understanding what it all means makes it much less confusing when starting a project!

The Front of the Envelope

This is where the company ‘sells' the design to you. You will usually see several designs that can all be made from the same pattern. Sometimes in a multi-pattern, you might be able to make a skirt, shirt, and pants all from the same pattern. But usually, you will be able to make several variations of the same item such as a dress. It might come with no sleeves, short sleeves, or long-sleeve options. The skirt may be different lengths, or slim-fitting, or gathered. There may be different necklines. And all of these variations are usually mix and match.

There will also be a pattern number to identify the design and the size. Smaller pattern companies might use a name instead. Most patterns do not cover all sizes so you will need to buy the correct pattern range for the size you need. More on sizing when we look at the back of the envelope.

Tip – the pattern companies spend a lot of time and effort to make these designs look their best so take note of the fabrics used and the type of print. Is it in a solid color, or a small or bold print, or even stripes? Try to imagine which of the design variations would suit your body shape the most.


The Back of the Envelope

Type of Fabric

Let's start at the top. Firstly, what TYPE of fabric do you need? Some designs will suit one fabric and not another. The most obvious example is whether the fabric stretches or not, and how much it stretches. You might also need a fabric with a soft drape, so a quilting cotton wouldn't work. Find the correct fabric for your project here and if in any doubt, take your pattern to your local sewing shop when buying your fabric – always a good idea anyway.


Which ‘View' Will You Pick?

Here you will usually find line drawings that show the variations available and give you more design details showing darts, seam lines, sleeve options, lengths, etc. These are usually referred to as ‘views'. So in this example, you might sew View C with the long sleeves. You may need different amounts of fabric depending on which view you are going to sew.


What Notions?

What other bits and pieces will you need? Will you need a zipper? How long should it be? Will you need buttons, elastic? Check those out here and buy them to match your fabric.


What Size Do I Need?

Take your personal measurements at the bust, waist, and hip and compare them to the measurements on the pattern envelope. You might find you fall between sizes or you fall over 2 or even three sizes like I often do. In that case, for a dress or blouse you should usually use your bust size (or high bust if you have a large cup size), and for a skirt or pants, use your hip size. You can usually adjust the waist easily. You can also ‘Grade' between sizes by cutting one size at the bust, and then gradually arching out to a different size line at the waist and again at the hips if you need to.

Use the measurements to see what pattern size you are so you can follow the correct line on the pattern.


Tip – the pattern size is not intended to correspond to your ready-to-wear clothing size. So do check the size chart before you buy your pattern, just in case. Pattern sizes may also vary depending on the manufacturer.


How Much Fabric Do I Need?

Now that you have determined the pattern option you want to sew and you have noted the pattern size that you will need to cut, you can use the table to work out how much fabric you will need. Follow your pattern size down from the top and the view option over from the left to see how many yards of fabric you need. You may need to look across several rows to find your main fabric, lining, and any contrasting fabric or interfacing needed.


Note that different fabric lengths will be given for different widths. A narrower 45-inch fabric may need a greater length than a wider 60-inch fabric. Fabric with stripes, a large pattern repeat, or a ‘nap' (directional print or grain in the fabric such as velvet) may need extra fabric for matching.


Finished Garment Measurements

Our last box on the envelope is for Garment Measurements. Assuming you pick an individual pattern size and sew it with the correct seam allowances, this is the finished measurement you should expect at the bust. They only give the bust measurement as the blouse is not fitted at the waist and hip so these measurements are less important in the finished garment. They also tell us that the bust and hip finished measurements are also printed on the paper pattern to help too.


Tip – Garment measurements are larger than body measurements and include ‘ease'. There may be wearing ease for movement and comfort, and design ease for styling.

You can use this information if you are between sizes to decide if you should cut the smaller or larger size. You can also use this to help decide on size if you prefer a closer fitting or looser fitting than shown on the model.


And that's really all there is to it.





The photos and much of the text credit to So Sew Easy.


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