Not sure which size range to choose? Learn more about our two size ranges here.

Sizes 2-20

Sizes 18-34

The Niagara Keyhole Bodice is an off-the-shoulder, fitted bodice with a very deep V-neckline that is gathered in the front. It has a midriff keyhole (supported by boning) and a cap sleeve.

The pattern is designed to fit with 3/4 of an inch (1.9 cm) of ease in the bust and 1/2 to 1 inch (1.3 to 2.5 cm) of ease at the waist.

Recommended Fabrics

We recommend light- to medium-weight wovens: cottons like shirting, eyelet, poplin, broadcloth, chambray, sateen, and lawns; rayon or tencel twill, gabardine, or crepe; silk crepe or satin; and linen and linen blends. Stretch wovens may be suitable, but knits are not recommended for this design.

To mimic the fuschia pink dress worn by Marilyn Monroe in the movie Niagara, we specifically recommend pairing the Niagara Keyhole Bodice with the Boardwalk Slim Skirt or the Monroe Dress skirt, using a light- to medium-weight woven with drape: rayon challis or crepe; silk satin or crepe; and silk/cotton and silk/rayon blends.

For the lining, we recommend: light- to medium-weight cottons and lining fabrics. You will be sewing boning channeling to the lining, so it should be sturdy enough to stand up to the weight of the steel boning.

Notions & Supplies

• Fabric for the bodice
• Lining fabric
• Thread to match
• Lightweight fusible interfacing (look for woven, weft, or tricot types)
• 1-1/4-inch-wide (3.2 cm) fusible stay tape to stabilize the zipper (alternatively, cut a piece from a scrap of fusible interfacing yardage)
• 14-inch regular nylon zipper
• 1 yard (0.9 m) of 1/4-inch-wide (6 mm) clear elastic
• 1 to 2 yards (0.9 to 1.8 m) of 1/4-inch- to 3/8-inch-wide (6 to 10 mm) twill tape
• 1 yard (0.9 m) of 1/4-inch-wide (6 mm) spiral steel boning
• 1 yard (0.9 m) of 1/2-inch-wide (1.3 cm) boning channeling or bias tape
• Metal cutters and pliers
• Boning tips or Teflon tape

Coming soon!

The companion sew-along video is exclusive to Sewing Circle members and it is available on Patreon.

The Niagara Keyhole Bodice pattern is in the Lamour series.

To view all of the Lamour series patterns that you can mix-and-match with this one, click here and filter for “Mix-and-Match Series = Lamour series.”

The photos show Gertie wearing a raspberry Niagara Keyhole dress (with the Boardwalk Slim Skirt) and a striped keyhole bodice paired with the Ginger Sailor Pants. Jun is pairing the Niagara Keyhole Bodice with a Charm Circle Skirt to create a dress perfect for twirling.

Measure yourself around your upper bust (under your armpits and above your breasts, without a bra on), the fullest part of your bust (while wearing your preferred bra), the smallest part of your waist, and the fullest part of your hips (this is likely around the fullest part of your butt). Make sure to hold the measuring tape snugly and parallel to the ground. Compare your body measurements to the size chart.

Find your upper bust measurement on the size chart to find your garment size, and then scan down the cup sizes in that garment size column to find your cup size. For instance, a 37-inch upper bust will make you a size 10, and a 39-inch full bust means you need a B cup. Don’t worry if your waist doesn’t match the size 10 column’s measurement of 32 inches; you can grade the waist in or out as needed. It is most important to choose a size to fit your upper bust and cup size, as the waist is easier to adjust up or down.

Sewing pattern sizes are very different from ready-to-wear garments and bra sizes, so be sure to work with your measurements when choosing a size.

Charm’s 2-20 size range is designed for a body with an hourglass shape. Our 18-34 size range is designed for a body with less waist definition.

Still not sure which size range to choose? Learn more about our two size ranges here.

If you have never used a PDF pattern before, this short video is full of tips: How to Use A PDF Pattern.

It will show you how to choose which PDF format to use, how to print just your size(s), and how to easily assemble and cut out your pattern pieces.

We offer digital patterns in two formats: letter-sized PDFs to print at home and A0 sized PDFs to print at a copy shop. In the US, we highly recommend printing A0 files with The Plotted Pattern. Outside of the US, these printers have been recommended.

When you join us as a Sewing Circle member, you will receive one vintage-inspired sewing pattern a month (with a companion sew-along video) and join the most creative and fun sewing community around!

Specific benefits at the Sewing Circle tier include:

• A vintage-inspired sewing pattern on the first day of every month
• A companion sew-along tutorial video for the pattern
• Access to the entire archive of Sewing Circle patterns and videos!
• A monthly live Crowdcast with Gertie where she shares the history and inspiration behind that month’s pattern
• Access to our community hub on Discord to post your projects, ask for advice, and chat with other members
• One Charm Pattern for free randomly every calendar year (Gertie’s choice)

To view all of the patterns in the Sewing Circle archive, click here and filter for “Pattern Availability = All Sewing Circle Patterns.”

Yes, absolutely! Unlike other monthly sewing memberships, when you are a Charm patron, you get access to the entire archive of sewing patterns available to your tier.

To view all of the membership patterns available at each tier, click here and filter for “Pattern Availability.”

Click here to join the membership on Patreon. There is no long term commitment required, and you can cancel at any time.