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Adjusting a 1960s Pattern

Hi all,

In a recent post, I mentioned that I was planning to sew McCalls 5495.


The pattern is easy to follow and comes together quickly. I was really pleased with the overall style of the top and how it came out. 

Having said that, there were a few things I changed after making the toile. It’s not a multi-sized pattern so I knew I would have to alter it slightly. Besides being too small, I wanted to use a Ponte knit and the pattern wasn’t designed for that fabric.

A top sewing tip – if you are thinking about using a stretch knit like Ponte for a pattern designed for woven fabrics, always do a test run first.

The first alteration I made was increasing the length by 3 inches as I felt it was a bit short in the body for me. 


Lengthening a Pattern


All sewing patterns have lengthen and shorten lines printed horizontally across the front and back pieces.

To add 3 inches, I cut along the line and added an extra piece of tissue paper measuring 3 inches, taping it securely to the top and bottom of the pattern piece. With an alteration like this, you need to remember to do the same for both front and back pieces.

The second was an alteration for a narrow shoulder. 
 

Adjusting Shoulder Length

To adjust the shoulder, measure from the neckline to the edge of your shoulder. Compare this to the pattern piece. Remember to allow for seam allowance and any shoulder darts. Both of those will add extra fabric length to the shoulder that gets used up in the sewing process.

In this case, my shoulder was 5.5 inches and the pattern was 6 inches before adding seam allowance. I wanted to use a knit fabric so didn’t need the dart. I folded that out of the way before measuring the shoulder length. Even then, I still had to lose half an inch.

It’s not a lot but, that half inch really impacts on the ability to move. With the shoulder out by just that little bit, I couldn’t raise my arm properly in the toile. It meant my armhole was too low. 
 
Top sewing tip – to fit nicely, the shoulder seam of your garment needs to sit on the edge of your shoulder. If the seam drops over the edge onto your arm, it will cause the armhole to get in the way of lifting your arm.

Just like the lengthening alteration above, both front and back pieces have to be altered. Only this time, instead of splitting the amount, you take off the half inch or whatever from both pieces. 
 

Mark a point on the shoulder line and draw a dotted line down towards the armhole. When you are level with a straight section of the armhole, draw a line from your dotted line to the edge of the armhole. Avoid the curves of the armhole as it’s tricky to blend alterations back in if you’re on a curve.

Measure half inch above your new dotted line and mark. This is the mark to move your newly cut pattern section up to.

Cut on your dotted lines. 

Now, the neck point and edge of the shoulder need to be kept in line. This is one part of the pattern you do not want to change.

Push the cut section in towards your mark but keep that neck and shoulder line level.
Your armhole will be out of line. This is fine. We can fix that by blending or rounding out the armhole.



Pushing the section inwards creates a little step. Draw a small line through the middle of the step and then blend the curve gradually upwards to meet the top of the armhole, and down to the underarm. Both the top and bottom of the armhole must remain intact and in the same place.

Both alterations were made to the traced copy of the pattern. Tracing helps keep the original pattern in one piece. As this particular pattern is from 1960, it’s going to be hard to replace if it gets damaged. I really like this shirt and will be making it again. Probably in a summer weight woven like cotton. Something I wouldn’t be able to do if the original pattern had been altered to suit a stretch knit.

I hope you enjoyed this post. Thanks for reading. Don’t forget to share with your friends, or comment below if you liked it and would like to see more.

Bye for now

Olly

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