How to Make an Off-the-Shoulder Crop Top in 5 Simple Steps

10 Materials
$10
1 Hour
Easy

There’s nothing quite as romantic to wear in the summer as an off-the-shoulder crop top. Sexy yet innocent, this DIY crop top is a perfect addition to your summer wardrobe.


In this tutorial, I’ll show you my super simple off-the-shoulder crop top sewing pattern that uses your own measurements. This DIY crop top is totally customizable, from the length of the top to the ruffle size.


Let’s get started with how to make an off-the-shoulder crop right now!

Tools and materials:

  • 1-yard fabric (you may need more depending on how much ruffle you want for your top)
  • ¼- or ½-inch elastic
  • Measuring tape
  • French curve ruler (optional but handy)
  • Tailor’s chalk or washable marking pen
  • Pins
  • Scissors
  • Sewing machine
  • Safety pin
  • Iron
Taking the measurement for the length of the crop top

1. Make the pattern

You’ll need to take 3 measurements to get the perfect fit for your top. First, measure the length you want your top to be from just below your shoulders to above your waist.

Taking the shoulder measurement for the crop top

Second, measure your shoulder circumference or the measurement from one side all the way around to the other.

Taking a bust measurement for the crop top

Third, measure your bust measurement. You’ll transfer these measurements to the fabric.

Folding and measuring the fabric

Lay the fabric down and fold it in half. Measure your desired length measurement from the top of the fold downward adding 2 inches for hemming and seam allowance. Mark across the fabric.

Marking the bust measurement

Mark your bust measurement, divided by 2, close to the fold. Add 3 inches to this measurement for the elastic casing.


If your fabric has selvage or the hard edge at the end, measure past that end as you’ll cut it off. Mark all the measurements on the fabric itself. 

Cutting out the off-the-shoulder crop top sewing pattern

2. Cut out the pattern

Once you’ve measured and marked, cut the fabric out.

DIY off-the-shoulder crop top sewing pattern

Then cut along the fold to make 2 rectangles: one for the front and the other for the back. Pin them right sides together.

Measuring the marking the armholes

You’ll need to measure and mark the armholes on either side of the top. Mark 3 inches in at the top.

Using a curved ruler to connect the marks

Mark 4½ inches down the side seam. Use a French curved ruler or freehand draw a curve to join these two points together. Repeat for the other side. Cut out both armholes.

Pinning the side seams, ready to sew

3. Start sewing

Sew the side seams of the top with the right sides touching from the armhole down to the hem

Making a ruffle for the DIY crop top

4. Make the ruffle

Fold the rest of the fabric in half. Measure your desired ruffle length on the fabric. In this tutorial, I made it 9 inches.


Add 2 inches to the length measurement with 1 inch for seam allowance and the other inch for hemming and the elastic casing. The width of the ruffle is based on your shoulder circumference.

How to make a ruffle crop top

Measure on the folded fabric. Cut this piece out.

Using the first piece as a template for the second

Use this piece as a template to cut out a second identical piece.

Sewing the ruffle pieces together

Join these 2 pieces right sides together with a straight stitch on either side, with a ½-inch seam allowance. You’ll have a very large loop.

Pressing the ruffle seam allowance flat

Press the ruffle seam allowances flat. 

Double-folding the edge of the ruffle, ready to sew

Double fold one end of the fabric, pressing the fabric flat at each fold for a smooth finish. Sew with a straight stitch.


Put the ruffle to the side.

How to sew a DIY ruffle crop top

5. Finish the top

Recall your desired length measurement of the top. Wherever the top ends whether it is just above your waist or below your bust line, measure across your body.


Remove 3 inches from that number and cut the elastic to match that measurement.


Double fold the bottom of the top upward with enough space to fit your elastic. Pin in place and sew at the edge of the fold to make a casing or a tunnel to feed the elastic through.


Leave a 1-inch space unsewn to insert the elastic into. 

Inserting elastic into the bottom of the top

Attach a safety pin to the elastic and insert it into the space of the casing at the bottom of the top. Tunnel the elastic through until the ends meet. Sew the elastics securely together.


Reinsert the elastic and sew the space closed. Distribute the gathers evenly. 

Snipping a notch in the fabric

Fold the ruffle in half to find the center. Snip a tiny notch at the center on the unhemmed side.

Making a DIY crop top

Fold the top in half so the armholes lay on top of each other and snip a tiny notch in the center as well. 

Pinning the ruffle to the crop top

Insert the top inside of the ruffle loop, matching the center notches on one side together. Pin in place at the center and on either side of the top. Pin the other side, matching the center notches together. 

Folding the pinned fabric inwards

Fold the pinned fabric inward about an inch, based on the allowance you left to insert the elastic.

Pinning and sewing the elastic casing

Pin the casing all around the large ruffle loop. Sew the casing, leaving a 1-inch space to insert the elastic through.


Use your shoulder circumference measurement less 3 inches to cut a piece of elastic. Insert the elastic, using the same method as before.


Securely sew the elastics together. Stitch the space closed. Distribute the gathers evenly.

DIY ruffle crop top from the back

You’re done!

How to make an off-the-shoulder crop top

How to make an off-the-shoulder crop top

How gorgeous is this DIY off-the-shoulder crop top? Let me know in the comments if you made it and be sure to share your photos.


To see how I made the matching skirt, see my other tutorial on how to make a maxi skirt with slits.

Suggested materials:
  • 1-yard fabric (you may need more depending how much ruffle you want)
  • ¼- or ½-inch elastic
  • Measuring tape
See all materials

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