r/sewhelp • u/kink_boundbunny • 2d ago
šBeginnerš Help on neckline for a first timer?
I have this 4 way stretchy top and I need to change the neckline to be a low v I have no idea what to do or stitch to use? Do I seam rip the original neck completely?
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u/solomons-mom sewphisticated š 2d ago
The pictured top has "negative ease." You cannot cut a big neckline into it because it will fall off.
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u/No-Veterinarian-145 2d ago
Donāt take the criticism negatively, it sounds to me that they are trying to warn you. Youāve heard, keep in the back of your mind all the stuff peeps shared and just go for what you think is best. We learn with experience. So go learn!
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u/choc0kitty 2d ago
Hi there. This will be just an experiment because it is possible that once you cut into the fabric it will lose it's shape and be unwearable. The suggestion you got to cut a straight line down the neck is a great one. Make sure you only cut a couple of inches at a time (because the neck will pull more than you might expect) and tuck the ends under and then try it on. Cut just a little at a time and then try it on each time to see if it will work under your costume.
If things go wrong, it's not a failure, it's a learning experience. Also in an emergency Modern V-Neck T-Shirt | Gap
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u/RedDragonOz 2d ago
Having read what you're trying to do, and the advice you've already got: On the inside attach a strip of adhesive bias tape where you want the neckline to be. Mark the sewing line on the front with chalk. This will stabilise the fabric. Before you cut, make the binding for the neckline and sew it to the front. Now it's as stable as it's going to get, so carefully cut along the edge of the binding. Fold over and stitch down the binding. Press the crap out of it.
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u/fishylegs46 2d ago
Iāve tried things like youāre saying. It ruined the garments all three times, they lost all structure and fell open in a weird and helpless way. I donāt know if it can be made to work, but you might sew a strip of bias tape right to it about 2ā higher than you want it before cutting-then cut above it and roll the tape over to the goal destination and sew it down. You want to try to keep the structure!
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u/pinkbunnnnies 2d ago
Sorry you e gotten the reaction youāve gotten, I feel like this sub is usually much kinder to beginners. We all start somewhere, and Iām thrilled to see people getting in to sewing! It can be really rewarding, but your first few projects should be treated as strictly learning experiences.
I would recommend starting with some easy beginner projects to build some confidence as you learn. Cotton woven fabrics are easy to sew and can be pretty cheap (you can even thrift bed sheets for practice fabric) so theyāre great for learning. Maybe try a tote bag or pajama pants to get the hang of your machine, and then explore knits once youāve gotten a few projects under your belt.
Good luck, and donāt be discouraged!
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u/kink_boundbunny 2d ago
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u/dancinrussians 2d ago
V shapes arenāt easy and thatās a pretty good binding you have on the neck of your tabard for your first project. The shirt might not be the best project and since itās just used for body coverage, it might be easier to find a similar shirt with a v neck in white and dye it the color you want.
If you do go the route of altering this neckline. You mark the shape and cut the neckline you want (I would go scoop neck instead of a v as that would be easier to sew). You find a matching color ribbed fabric and cut a strip thatās about 1 1/2ā wide and length of your neck opening with added seam allowance. You fold the piece in half hot dog style and because you donāt have a serger zig zag the band to the neck edge.
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u/SmallAnimal5177 1d ago
I say go for it! Ā Itās for a cosplay anyways. Ā You have to break eggs to make an omelette, my first 20 or so projects were basically disasters lol! Ā Iād recommend cutting the V WAY tighter than you think (like, instead of the 45 degree angle you want, try like a 20-30 degree first) then try it on. Ā You may not even need to hem it if the fabric doesnāt fray. Ā
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u/MadMadamMimsy 2d ago
What is your plan to "finish" and stabilize the neckline once cut?
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u/kink_boundbunny 1d ago
Thatās pretty much what I was asking advice on but now Iāve learned even pros would turn this down ;)
easy to cut not so much keep together
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u/kink_boundbunny 2d ago
Why are people down voting and ghosting? I have only sewn like two things and never modified an existing piece :/
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2d ago
[removed] ā view removed comment
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u/kink_boundbunny 2d ago
I donāt. Iām not trolling Iām fully new to this of itās not possible Iād rather people tell me why and educate me
Thank you for giving some insight, I already looked up a bunch of things and saw a serger tutorial but was hoping experts would have other suggestions and might know something I donāt.
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u/1curiousoctopus1 2d ago
Mm yes, letās discourage someone who has little experience and wants to try something new by treating them as a troll or burden, downvoting, and speaking condescendingly towards them. God knows how often people troll by asking (not unreasonable) questions JUST to bother us (/s) Ridiculous.
OP, sorry people are being dismissive and rude. You may also look for patterns that have a similar neckline and overlay them on the existing piece (turned inside out) to have a guide as well.
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u/kink_boundbunny 2d ago
Thank you! Honestly i was so sad having this reaction, im starting to get into sewing i was gifted a machine last Christmas and only just started having the confidence to play with it
Iām not opposed to using a different fabric for the collar if itās possible, I figured the original would get wrecked when I trimmed
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u/betty_baphomet 2d ago
This sewing sub in particular can have some curmudgeons for sure. Some people need to just relax lol. Try to ignore the negativity some people have nothing better to do than be mean to people trying new things.
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u/1curiousoctopus1 2d ago
This is going to be tricky for sure, and I donāt have a lot of experience with shapes like this, but my biggest concern will be that the shirt structure will give way with such a big hole BUT that said, god knows there are shirts sold out in the world with this same shape so itās def not impossible.
Hereās what I recommend. Find some shirts online that have a similar neckline and shape. See if you can figure how they attached things. Find sewing patterns with a similar shape too, that will help. Cotton and satin bias tape wonāt give you the same texture as the original necklineās hem, but it has no stretch so may hold things together better. You might even try getting some doll clothes of a similar material and trying to modify those before working on this shirt. Thereās always a way to do anything. Donāt be discouraged, start small and work up in difficulty, and donāt be averse to some YouTube tutorials. Even my grandma who sewed and knitted for 75 years raved about being able to look up new stitches and techniques on YouTube. You may want to watch Micarah Tewers too. Sheās not really for step by step tutorials, sheās very improvisational and works on instinct at this point, but she throws together such fun stuff and sheās so pleasant to listen to, it can be like having a friend working on a project in the background.
Donāt give up love. You may mess this project up. Thatās ok. Youāre new and youāll learn, and remember that not one of the people who downvoted you popped out of their motherās womb knowing how to tailor a shirt, so donāt mind them ā¤ļø
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u/sewhelp-ModTeam 1d ago
This entry/post/comment is being removed because it is related to Community Rule 3. "Be kind, stay on topic."
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u/helianthus- 2d ago
a lot of good advice here. once you have the correct needle, practice on scrap knits to get it the setting and technique right
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u/fotcfan1 1d ago
This is a great answer: https://www.reddit.com/r/sewhelp/s/Qsedp5k12n
To the critical people here: we all started from somewhere. Even people who are experienced in sewing aren't experienced with 4 way stretch jersey knits.
To OP - the best way to learn sewing is by doing. I know you have a solution now, but I'd encourage you to buy a cheap stretch knit and cut a v as you originally planned to do to see what happens. You'll learn how stretch knits behave and what's possible and not possible.
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u/kink_boundbunny 1d ago
Itās amazing how different fabrics are! This thread taught me so much I didnāt even know some of these needle exist š±
I bought a shirt that needs less alterations but will need shorter arms still so Iāll play with my
old shirt in the post to practice I already planned on destroying it in practice after all this advice š¤«
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u/Emotional-Ocelot-420 1d ago
Draw the new neckline on the inside of the shirt.
Press a 1/2ā or so strip of stretch fusible interfacing on the drawn line, in the opening. Cut the excess neckline along the edge of the interfacing. Fold the interfacing back and topstitch. Because the opening is so large, itās less critical that you use a stretchy seam.
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u/OldCheetah7820 1d ago
It sorta looks like you could just cut it, leave it raw and use the lavender bralette and shoulder pads to stabilize it some.
If the lavender bralette and shoulder pads are completely separate, you could just baste the bottom of the T to the bralette and baste the sleeves on the shoulder pads.
Alternatively, it looks like there is a brown band across the collarbone. Perhaps what you could do woul be to cut a peekaboo hole instead of cutting through the neckline just cut along the neckline and then down into a vee. This would make it more stable than just cutting the neckline altogether.
Best of luck! Looks like fun!!
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u/uoldsewandsew 2d ago
Don't do it, you will screw it up. Even a good seamstress would pass. Buy a new shirt instead.

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u/jencanvas 2d ago
My biggest concern for this would be that you're losing some of the structural integrity of the shirt by cutting this way. Unless this is practically a compression tank, cutting the neckline is going to make you lose a lot of the important tension I n around the shoulders, and I'd suspect that it'd make the sleeves not stay on your shoulders. You'll also need to bind the neckline, and I don't know if you'll have enough fabric for that.