Since the original release of the Boundless Knit Dress, we have seen many requests how to make it a racer back tank dress. With the recent release of the Boho Babydoll (which includes a racer back option), we thought it would be the perfect mashup. So, I’m here to show you how to mash and grade the two bodices to create a racer back Boundless Dress. This will also work with the Essential Tank if you prefer the shape of the racer on that tank.
The Boundless and Boho have different amounts of ease. (read more about ease HERE.) The Boundless is a fitted bodice with negative ease, while the Boho is a relaxed cut top with ease so we can’t really just take the Boho and adjust the width to the boundless, otherwise the armscye would be too wide and cut in across the shoulder since the overall size of the bodice is wider/larger. The Boundless is shown here in the green dashed lines and the Boho is the light purple.
- Print out both the boundless knit dress and Boho babydoll bodices and align at the shoulder seam. We will be creating a new Boundless bodice. You can choose which neckline you prefer as the only modification we are making here is to the armscye.
- Trace the upper portion of the armscye from the shoulder seam of the Boho Babydoll. Trace the lower portion of the armscye of the Boundless toward the side seam.
- Using a French curve, blend the upper and lower portion of the armscye previously traced.
- Continue tracing the Boundless along the side seam and neckline. Note- if using a 1/2″ seam allowance, you will want to widen the shoulder by 1/4″. You can also trace as is and just use a 1/4″ seam allowance along the shoulder seam only.
- You now have a new Boundless front racer Boundless bodice.
We will repeat similar steps for the back
- Print out both the boundless knit dress and Boho babydoll bodices and align at the shoulder seam. We will be creating a new Boundless back bodice.
- Trace the Boho bodice from neckline, shoulder seam and top portion of the racer back armscye. Note- if using a 1/2″ seam allowance, you will want to widen the shoulder by 1/4″. You can also trace as is and just use a 1/4″ seam allowance along the shoulder seam only.
- Slide the Boho bodice so that it is aligned with the Boundless at the armscye and trace the lower portion of the racer back armscye to the side seam of the Boundless bodice.
- Use a French curve if need to match and blend the racer back curve and continue tracing the Boundless bodice. You now have a new Boundless back bodice.
Construction of the bodice/dress is the same as the Boundless. Cut 2 main and cut 2 lining pieces and use the burrito roll method to create a fully lined racer back.
I hope you love it as much as I do!
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