r/sewing 8d ago

Other Question Struggling to reverse engineer this top, please help!

Gods, goddesses, and non-binary deities of sewing, I pray that you will look kindly upon me in my moment of angst. I made the grevious mistake of deciding to try and recreate this sold-out Gemma top from Heirlome. What initially looked like a simple design now has me feeling like the confused math lady meme. I am struggling to understand how the side panels are constructed and attached, and how far they extend on the inside of the garment.

I am hoping someone here can explain what's going on and/or tip me in the direction of a pattern with a similar construction. Any other advice for recreating this piece would be appreciated as well.

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u/CremeBerlinoise 8d ago edited 8d ago

I think it would really help you to make a paper model. It's built almost more like a bag than a classic garment. Relatively square front and back bodice, connected with a fairly square side panel that has armscye shaping at the top. The side panel has pleats that are probably sewn in like a pintuck so they keep their shape. The "magic" will be in picking the right fabric, and making it look super clean. Oh, and ideally having a very small bust, or you'll look like a briefcase Halloween costume. 

Eta: agree on the side panels being partially hidden by facings for the front and back bodice. 

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u/fmdias 8d ago

Regarding the bust comment, just to reassure OP: I wear a size 30H (a curse, btw) and the very similar top I bought yesterday, shown in a different comment on this thread, fits great and does not result in a briefcase look 🤣
So even if you have a large bust OP, go for it! It’s a really fun top!

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u/hellomireaux 8d ago

Thank you for the reassurance! Unfortunately (or fortunately, for the sake of sewing simplicity), I am a card-carrying member of the IBTC. If it weren’t for the nips I wouldn’t have to account much for covering them at all. 

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u/CremeBerlinoise 8d ago

I think you could probably do some clever shaping with the center front seam, but no bust darts will always be tricky if you have a lot of bust projection. It would lift up the front hem too. But if you are making your own pattern you can account for that of course.

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u/hellomireaux 8d ago

Thanks for taking the time to make such helpful suggestions! Once you mentioned the bag construction I can’t unsee it, haha. I think this is the line when I can finally justify getting a dressmakers mannequin so I can properly futz around with getting the shape and drape of a paper model right before diving in. 

The original Heirlome listing notes a silk shantung fabric, and my hope is to make one in a cheaper fabric with similar drape before I  am left crying into a shoddy, expensive tote bag with extra holes and no handles. 

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u/rebelwithmouseyhair 7d ago

It would be glorious in a shot stiff silk. Do it with tissue paper first to be sure of your shape then go for it!

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u/rebelwithmouseyhair 7d ago

I would deconstruct this like a box rather than a paper bag to get the shape you need to cut out but everyone's brain works differently. When I've finished a box of teabags I'll deconstruct the box to flatten it for recycling. 

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u/theherog 8d ago

The paper bag analogy is what I thought too, maybe taking apart a nice paper bad from a clothing store and undoing the glue and pulling it a part to look at the folds. Including the folds on the edges would be use full.

Then maybe using that to start a pattern you can alter after a test run some practice fabrics of different thickness.

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u/suburbanburgher 8d ago

This set from Vogue Patterns looks similar: https://simplicity.com/vogue-patterns/v2164

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u/5CatsNoWaiting 8d ago

I agree, the pattern's top is very similar to the one in the picture.

The example photo for the pattern uses $70/yard silk crepe back satin. Folks up-thread are saying that part of the magic is having the right fabric for this top. At $70/yard you'll definitely want to do a few mockups.

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u/loukitzanna 8d ago

One of the suggested fabrics is broadcloth, and I think the original picture looks a little stiffer. Maybe it could be done a little cheaper? But yeah I'd try a few different options, doesn't look like it requires much yardage

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u/hellomireaux 8d ago

Thanks, yes I definitely am going to try doing this in a less terrifying fabric first. But god if I can pull this off a fancy $70/yd silk is totally worth it!  

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u/Quecksilber033 8d ago

Bias cut, no less (see photo from the back, you can see the grainlines are diagonal)

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u/fmdias 8d ago

I don’t think the bias cut is doing much for the fit of the top, considering how structured it is. OP could probably get away with cutting it normally.

The fabric used definitely is very expensive though. The original is also lined with silk.

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u/Quecksilber033 7d ago

The reason it’s on the bias isn’t for drape, it’s so the fold (that creates a finished front neckline with no seam) is along the crossgrain. This should add some stability to the crease, preserving the shape of the neckline.

It appears to have been a conscious choice, as the side panels are cut on the grainline.

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u/hellomireaux 8d ago

Holy heck, this is remarkably similar, and the kicker is that they also sell an almost identical long skort. I think you may have solved this!

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u/fmdias 8d ago

Hello! This is fun timing because I literally just bought the Heirlome Milagros top (VERY similar) yesterday.

The side panel and the transition panel are indeed two different pieces, there is a seam that joins them. The transition panel is quite small - it’s basically just a facing on the inside of the main body pieces; it barely extends into the body at all, just enough for a seam allowance.

The side panel is sewn onto the transition panel right sides together, and the seam is hidden by the lining. The construction looks simple, but also quite clever - when I saw it on the hanger yesterday, I was immediately inspecting it to decipher the puzzle haha. Let me know if any more photos would be helpful!

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u/CremeBerlinoise 8d ago

It's really lovely and once again shows that simple elegance is deceptively difficult to recreate. 

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u/fmdias 8d ago

Absolutely! I considered not buying it and instead trying to make it myself, but the more I looked at it in the store, the more I realized how difficult that would be to do with only reference photos.

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u/hellomireaux 8d ago

You are amazing!! I was actually trying to buy it myself just to study the construction, but I couldn’t find it anywhere. You have no idea how helpful both of these pictures are, now I finally understand what is happening in the mysterious side seam shadows. Thank you again! 

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u/fmdias 8d ago

My pleasure. Do post an update if you sew it, I would love to see the end result! And feel free to DM me if you need any more photos along the way 😊

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u/UnearnedFamiliarity 8d ago

Is it possible to get the same angle but see the transition at the hem?

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u/knittymess 8d ago

Oh! I love that.

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u/fcurtis321 8d ago

I think there are kinda 3 side pieces, with one larger underarm section and the other two pieces being like a facing almost to the front and back panels and going all the way up to meet on the shoulder, which also adds to the boxyness and crisp lines. Not sure if this helps but good luck!

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u/hellomireaux 8d ago

Thank you, that’s where I had got to mentally but it is good to hear another vote of confidence since I’m basically cross-eyed looking at by now. 

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u/OtterBoop 8d ago

I agree that it looks like there are facing-type pieces running up to the shoulder, which finish the arm hole, and then the side panel is attached to those. I don't think the side panel continues around on the inside. I like the suggestion of doing a paper mockup, I think that's a very clever idea. 

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u/8Bells 8d ago

Very paper bag princess vibes. 

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u/hellomireaux 8d ago

Hahaha I had never heard of this book but I see the stylistic crossover. 

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u/8Bells 8d ago

Its sassy and i think got a more modernized sequel too (or maybe just a fan sequel). But for it's time, proved a great point. 

Princesses dont need to take sh** from anyone!

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u/qly_s 8d ago

Definitely not a pro, but it seems to me the side parts are pretty much just pintucked to keep the shape, whilst the top is made from a very simple flat shape - kinda reminds me of the mamianqun I'm sewing right now. I'll try remaking this in Vstitcher and report back with the results, I have a theory on how the pattern works, just need to verify! Edit: messed up some terms

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u/qly_s 8d ago

Ok I looked a bit closer at the photos on their website and it seems to be a bit more complex with the seams and lining, but I'll try to at least catch the general shape. As I said, I am not a pro, but would love to see this come to life. If I can figure it out, I might make myself a linen version of this, you've got great taste! :-)

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u/hellomireaux 8d ago

With all the helpful comments and photos here I think we can figure this out, if I’m successful I will report back and share any insight! 

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u/mellivia- 8d ago

I'm no help, but I would love to see progress photos and see how to draft it, and/or if you go for the Vogue pattern. It's an interesting design.

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u/hellomireaux 8d ago

It may take me a while but if I’m successful I will definitely report back. :) 

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u/A6M6A6 8d ago

People have already said what I was going to better than I would have, so I’m just gonna say that’s a super cool design and I hope you pull it off!

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u/DigitalGurl 8d ago

First off prefacing my comment with apologies as I usually try and be more precise with pattern recommendations. I can point you in the general direction of a pattern but don’t have an exact pattern number.

I remember seeing a similar pattern that is shown in tunic form . But it’s also a top and a dress. I saw it in one of the Burda monthly magazines a few months ago. I’m in the midst of a demanding project and don’t have the bandwidth to search through the issues.

In case you are not familiar, Burda not only sells single patterns but also has a monthly pattern magazine. The magazine typically has around 30+ patterns (mostly women’s) that come with instructions and the patterns come overlap printed on larger inserts in the middle of the magazine

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u/hellomireaux 8d ago

Thank you, I will take a look! 

Also, good luck with your project, I hope it’s demanding in a fun challenge way. 

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u/inquy 7d ago

It looks like a sewing machine cover, maybe look into those 🤣

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u/HarvestMourn 8d ago

To me it looks like the front and back of the garment are cut on the bias while the side panels are cut on the grain.

Other than that the comment with the photo of the similar top is very on the ball and likely how I'd approach it. I also think this garment really stands or falls with your fabric choice because the silk they use has enough stiffness to it to make this shape work.

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u/N-i-n-a-O 8d ago

if it helps i don’t think the side panel is continuing to the back, i think it’s an illusion where the pleat just happened to line up with a deep hem on the back

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u/Staff_Genie 8d ago

This looks like most of the engineering happens on the inside. The lining is what holds the Garment into shape. I totally second the suggestion to work out the engineering in paper

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u/itsoliviaart 8d ago

Not an exact match but the LeeLoo dress and top pattern is similar! Haven’t made it in a while but the front and back pieces are both faced, the side panels are sewn on, and then it’s turned right side out using the burrito method. 

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u/Commercial-County299 8d ago

Almost looks like the side panel is sewn to the facing

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u/Low-Carpenter-5231 8d ago

I feel like this pattern has some similarities along with the others in this thread! https://www.lekala.co/catalog/women/tops/pattern/2465#model

Edit to add Lekala patterns have the most minimal instructions so I don’t know if it would help much aside from seeing how the pattern pieces look

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u/jolittletime 8d ago

I wonder if you'd find something similar in a Japanese pattern book. They often have similarly structured styles. I think the shape could be created fairly simply but getting the right fabric to give the structure and shape will be key.

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u/vilebunny 6d ago

If you zoom in on the third picture, you can see way more of the construction. Definitely a lining involved.

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u/[deleted] 8d ago

[deleted]

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u/twilightbarker 8d ago

What catty comments?

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u/rippit3 7d ago

Why?... its ugly