Sew a Back-Wrap Dress with a Triangular Envelope CollarAdd an intriguing back flap to a sheath
I recently saw a wedding dress that had an unexpected and attractive back detail. The dress was a back-wrap style, featuring a faced, asymmetrical triangular envelope collar. This neckline created a flattering line and an opportunity to display a beautiful contrasting fabric. In my version, I added simple ties to define the waist.
To replicate this design, start with any princess-seamed sheath pattern that has a center-back zipper.
Once you’ve adapted the pattern, you can make countless looks: Choose solid fabrics in subtle contrasting tones, prints, or high-contrast color blocking. The dress would be stunning in black with a sheer black collar and ties or with a crisp white collar. A wool crepe version worn as a jumper could make a unique office look. Enjoy the versatility.
Change the neckline
This dress has a wide bateau neckline in front and a surplice-style V-neckline in back.
1- Adjust the front neckline to a bateau neckline. Narrow the shoulder seam to the width of a strap, about 2 inches, and redraw the neckline. Add a seam allowance.
2- Begin revising the center-back pattern. Place the half-pattern on a sheet of folded pattern paper, with its seamline along the fold. If the seam includes shaping, align the neckline edge with the fold and let the curves overhang slightly. Cut a new center-back pattern on a fold so it is one piece. Duplicate to create two full center-back patterns.
3- Alter the back right side. Narrow the shoulder so it matches the front shoulder. On one pattern, draw a diagonal line from the right shoulder seamline at the neck edge to the left waistline. Add a seam allowance along the line and label the pattern “Right center back.”
4- Alter the back left side. On the remaining pattern, draw a corresponding diagonal line from the…
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