An easy way to make a casing on a romper or a jumpsuit

August 11, 2016 No Comments

An easy way to make a casing on a romper or a jumpsuit

August 11, 2016 No Comments
How to make a casing on a romper or a jumpsuitI love wandering around in stores looking inside RTW garments. Since time is money, clothing manufactures often have more nifty solutions for construction than the methods most sewing pattern companies offers in their instructions. Case in point is how to construct a waist casing on rompers and playsuits. Burdastyle suggest that you cut a knit band and stitched it onto the bodice, but I don’t know about you but attaching and topstitching a knit band is not what I would call easy. Knits likes to stretch out as we all know, plus topstitching can be quite tricky when the fabric isn’t stable.

So I figured the garment industry must have a better solution, thus I took my daughter with me on a spy trip to the high street stores to check out the inner workings and also look for inspiration when it came to the design specifics of her t-shirt romper. Of course no romper employed the Burda method, instead they all had the elastic inside the seam allowance of the seam that attached the bodice to the shorts.

Most jumpsuits just have a thin line for the elastic, but my kid wanted a tunnel with a wider elastic and luckily I found an example of that version too in H&M.

Casing tutorial

How to make a casing on a romper or a jumpsuit

As you can see the elastic is attached in the overlock seam that sews together the bodice and the shorts, then a second seam is sewed to create a casing that has the same width as the elastic. Then you finish it off with a topstitch seam to create a tunnel

So I decided to use a similar construction and do a tutorial in the process, because I’m sure there are others out there who have wondered about the same thing.
This method works for the non tunnel casing version too. Just stop short of the last step as you can see explained below.

How to make a casing on a romper or a jumpsuit

How to make a casing on a romper or a jumpsuit

1. Sew together the bodice and the shorts/pants

I like to do a baste stitch before to make sure the seam is even. I opted not to attach the elastic in the seam, because I felt a bit unsure of how difficult it was. Instead I created the casing first and then inserted the elastic.

How to make a casing on a romper or a jumpsuit

How to make a casing on a romper or a jumpsuit

2. Create a casing

You do that by stitching a seam the same distance from the edges as the width of the elastic. I used a zigzag stitch for this purpose. Leave a little opening where you can insert the elastic.

How to make a casing on a romper or a jumpsuit

3. Insert the elastic in the opening

How to make a casing on a romper or a jumpsuit

4. Close the casing by sewing together the remaining seam

How to make a casing on a romper or a jumpsuit

This is how the casing looks on the inside.

How to make a casing on a romper or a jumpsuit

And the outside. If this is the look you want you can stop here.

How to make a casing on a romper or a jumpsuit

5. Create a tunnel casing

You do that by topstitch the casing on the seam allowance. Again I used a zigzag stitch and added a seam ruler to make sure the casing was even. If you have a coverstitch machine you can use the single needle chain stitch instead. This is how it was done on the RTW romper.

How to make a casing on a romper or a jumpsuit

6. The finished casing!

This wasn’t too hard was it? I will employ this method always from now on, and next time I’ll try to attach the elastic in the seam, as it will assure that the elastic doesn’t twist or fold.

Easy way to sew a casing

Making a t-shirt romper in rib knit

Johanna

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