Soak up the sun in the Ipswich Swimsuit, an underwired swimsuit sewing pattern designed for big boobs in cup sizes C–H!
This modern pattern has two cleverly color-blocked variations: a one-piece swimsuit with a contrast waistband or a high-waisted bikini with piping detail. Both suits feature supportive straps, and an optional underwired foam swim bra and boning, so that you're comfortable lounging by the pool or playing volleyball on your favorite beach. Mix prints and colors for a swimsuit that celebrates your body and your creativity, and keeps you feeling secure all summer long.
This Cashmerette pattern includes:
Want step-by-step help making your Ipswich? Check out our online workshop “Swimsuit Making for Curves” where Jenny Rushmore will take you through the whole process with confidence!
Interested in making a tankini version of the Ipswich Swimsuit? A free expansion pack is available here.
12to 32 (PDF pattern), 12 to 28 (printed pattern), in three cup sizes (C/D, E/F, G/H). Includes 40-62” bust and 42-62” hip. Find your size in seconds using our size calculator.
Swimsuit lycra/spandex, with 4-way stretch (at least 50% in both directions), swimsuit lining with 4-way stretch (at least 50% in both directional), optional contrast swimsuit/spandex for piping (View B).
View A (One-piece)
View B (Bikini)
Optional Swim Bra