How to Sew a T-Shirt

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https://www.wikihow.it/Cucire-una-Maglietta

If you know how to use a sewing machine, you can make your own t-shirts.If you've never done this before, it's best to start with a simple t-shirt.Before you get to work, get a paper pattern or design your own.
Part 1
Part 1 of 4:

Creating the Perfect Sewing Pattern

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  1. The easiest way to design your own pattern is to copy the shape of an existing t-shirt that fits perfectly.
    • Although this tutorial only covers designing and making a simple short-sleeved t-shirt, you can use the same basic steps to make patterns for other style blouses.
  2. Fold the shirt vertically in half, leaving the front side out.Lay it out folded like this on a large sheet of paper.
    • The ideal would be to put the paper on top of the cardboard before placing the t-shirt on it.The cardboard will make the surface stiff enough to draw on.You will also need to stick pins into the paper, and this will be easier to do with a cardboard backing.
  3. Pin the perimeter of the t-shirt, paying particular attention to the neck seam on the back, under the collar, and to that of the sleeves.[1]
    • You don't need perfect precision when pinning the shoulder, side and hem seams, because the purpose is just to secure the shirt to the paper.
    • On the sleeves, insert the pins right on the seam.Do not leave more than 2-3 cm between one pin and another.
    • On the back neck seam, place pins on the seam connecting the neckline to its edge.Leave a space of 2-3 cm between the pins.
  4. With a pencil, lightly trace the entire shape of the t-shirt.
    • Trace along the shoulders, hips and hem of the pinned shirt.
    • After drawing the outline, remove the shirt and look for the holes left by the pins on the seams of the sleeves and neck.Mark the holes to complete the outline of the back paper pattern.
  5. Move the folded t-shirt to a new sheet of paper, pinning the outline of the front instead.
    • Follow the same procedure used for the back to pin the perimeter and sleeves to the front of the t-shirt.
    • The neckline at the front is usually deeper than at the back.To mark it, place the pins under the front of the neckline, just under the piping.Leave 2-3 cm between each pin.
  6. Draw the shape of the front as you did for the back.
    • Lightly mark the shoulders, hips and hem with the pencil while the shirt is pinned to the paper.
    • Remove the shirt and highlight the neck and sleeve markings to complete the front design.
  7. Open your shirt.Flatten one sleeve well and pin it to a clean sheet.Trace the outline.
    • Insert pins through the seam as you did before.
    • Make the mark on the top, bottom and outside of the sleeve while it is still pinned.
    • Remove the shirt from the paper and highlight the pin marks to complete the design.
  8. Use a flexible ruler and pencil to carefully draw a new outline around the existing profile of each piece.This will give you the seam allowance.
    • You can choose the seam allowance that feels right to you, but as a general rule a 1.5cm allowance will be more than enough to work comfortably.
  9. Identify each piece (back, front and sleeve).It also highlights the fold line of each part.
    • The fold line on the front and back will highlight the inside profile of the piece, right where you folded your original t-shirt.
    • The fold line of the sleeve will indicate its upper part.
  10. Carefully cut out each part of the pattern.When you're done, check that the various pieces fit together.
    • By bringing the back and front of the pattern closer together, the shoulders and armholes should match.
    • As you bring the armholes closer to both sides of the bodice, these measurements should also match (excluding the seam allowance).
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Part 2
Part 2 of 4:

Prepare the Fabric

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  1. Many t-shirts are made from a cotton jersey, but you may also want to choose a slightly stretchy jersey to make the packing process easier.
    • As a general rule, the closer the material used is in workmanship and weight to that of the original t-shirt from which the pattern was made, the easier it will be to reproduce the fit.
  2. Before doing anything else with the fabric, wash it as you usually do.
    • By washing the fabric first you will prevent it from shrinking once sewn and you will also fix the color.By doing this, the parts of the paper pattern that you will cut and sew will be the right size.
  3. Fold the fabric in half and place the pattern on top.Secure the various pieces with pins, mark the contours and cut them out carefully.
    • Fold the fabric in half with the right side facing in and try to keep it flat when you lay it out.
    • Match the fold of the fabric with each "fold line" of the pattern pieces.
    • When pinning the pattern pieces, make sure to grab both layers of fabric.Mark the entire shape with a tailor's pencil, then cut along the marking without removing the pattern.
    • After cutting out the fabric you can remove the pins and remove the pattern pieces.
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Part 3
Part 3 of 4:

Prepare the ribs

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  1. Measure the entire neckline with a flexible ruler or tape measure.Subtract 10cm from this measurement, then cut a piece of rib eye this length.[2]
    • Ribbed is a type of fabric with vertical ribs.You could technically use a plain fabric for your neckline, but ribbed is preferable since it's much more stretchy.
    • Cut the width of the ribbed fabric to double the final width of the neck.
    • The vertical ribs should run parallel to the width of the neck and perpendicular to its length.
  2. Fold the rib in half along its length, then press the fold well with the iron.
    • Make sure you do this on the right side of the fabric.
  3. Fold the rib in half its length.Sew the ends of the strip together leaving a 5-6mm seam allowance.
    • Make sure that the right side remains on the front while you do this.
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Part 4
Part 4 of 4:

Sew the T-shirt

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  1. Place the front and back of the bodice together, with the right side of the fabric on the inside.Place pins only around the shoulders.
  2. Straight stitch one shoulder.Cut the thread, then sew the other shoulder too.
    • You can do this using a standard straight stitch on your sewing machine.
    • Follow the seam allowance marked on the pattern pieces.If you followed this tutorial exactly, the margin should be 1.5 cm.
  3. Open the shirt and place it flat on your shoulders, with the wrong side facing you.Place the ribbed collar on the neckline, open it and pin it in place.
    • Place the wrong side of the neck on the neckline and hold it over the fabric of the shirt.Pin it in the central parts of the back and front.
    • The collar will be smaller than the neckline opening, so you will need to pull it slightly as you pin the rest of the neckline.Try to keep the ribs evenly spaced.
  4. Using a zigzag stitch, sew along the wrong side of the neck, leaving a 5-6mm seam allowance.
    • You must use a zigzag stitch instead of a straight stitch, otherwise the thread will not be able to stretch along with the neck when you put the finished garment on by pulling it over your head.
    • Pull the ribbed fabric lightly with your hands as you sew it onto the shirt.Try to keep it taut enough that it doesn't form creases in the fabric underneath.
  5. Open the shirt and place it flat on the shoulders, but turn it inside out so that the right side of the fabric is facing you.Place the sleeves right side down and pin them in place.[3]
    • Place the rounded part of the sleeve against the rounded part of the armhole.Pin the center of both curves together.
    • Gradually place and pin the rest of the sleeve curve to the rest of the armhole curve, working on one side at a time.
    • Follow the process on both sleeves.
  6. With right sides facing in, straight stitch along both sleeves, joining them at the armhole as you go.
    • The seam allowance should match the one marked on your original pattern.If you followed this tutorial exactly it should be 1.5cm.
  7. Fold the shirt with the right sides touching.Sew straight stitch along the entire right side of the shirt, starting from the tip of the underarm seam to the bottom.When you're done, repeat on the left side.
    • Pin the sleeves and sides before sewing, otherwise the fabric may slip as you work.
    • Follow the seam allowance drawn on your original pattern.For this tutorial the margin is 1.5 cm.
  8. With the right sides of the fabric touching, fold the hem along the original seam allowance.Pin or iron the fold, then sew around the perimeter.
    • Make sure you only sew the hem.“Do not” sew the front and back together.
    • Many knits are resistant to fraying, so a hem may not be necessary.However, doing so will give the shirt a neater look.
  9. With right sides touching, fold the opening edge of each sleeve to the original seam allowance.Pin or iron the fold, then sew around the perimeter of the opening.
    • As with the hem of the shirt, you will need to sew around the opening, avoiding catching the front and back of the sleeve together.
    • You may want to avoid hemming the sleeves if the fabric is resistant to fraying, but they will look neater if you do.
  10. Turn the shirt right side out.Use the iron to flatten all the seams.
    • Seams around the neck, shoulders, sleeves and sides should be included.Iron the hems too, if you didn't do so before sewing them.
  11. At this point the shirt should be finished and ready to wear.
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Advice

  • If you don't want to make the pattern yourself, use a ready-made one.Many fabric stores (and tailors that sell fabric) sell patterns, and basic t-shirt patterns may be readily available.You can find basic models online, free or very cheap.
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Things you will need

  • Existing t-shirt
  • Pencil
  • Tailor's pencil
  • Cardboard
  • Plain paper (newspaper, drawing paper, parcel paper, etc.)
  • Pins
  • Scissors
  • Fabric scissors, tailor's shears or rotary cutter
  • 1-2 meters of fabric
  • 25cm of ribbed fabric
  • Sewing machine
  • Matching sewing thread
  • Iron
  • Ironing board
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