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Bra Making: A Short Guide to Choosing Fabric

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Before giving bra making a go, it’s important to have a firm understanding of how each part of a bra should function – cup, cradle and wing – because this is what will guide you when making fabric choices. Many sewers get stalled even before starting because selecting different fabrics for each section is too daunting. Stretch lace for the front? Powernet for the back? Tricot for the lining? Contrary to what many beginners think, both woven and knits can be used to make a bra, and hopefully after reading this, you’ll be comfortable and confident to choose between the two.

First concept to understand is direction of greatest stretch, abbreviated DOGS. In a woven fabric, grainline is used to indicate the direction that has the least amount of stretch, and in most cases, patterns are aligned with this line. In bra making, patterns are cut according to the direction of greatest stretch (DOGS). So, when you’re looking at a bra pattern, lines with arrows indicate the DOGS, not the grainline. To find the DOGS on your fabric, pull on the lengthwise and the crosswise. What has more stretch? That is the DOGS. On stretch fabrics, there is either a stretch in one direction, called a 2-way stretch, or a stretch in all directions, called a 4-way stretch.

With this understood, let’s walk through the parts of a bra and its function.

Band: The band must have stretch running around the body because if not, there will be no room to breath. So, the DOGS is perpendicular to the hook and eye. Also to note, the band is not stabilized in most cases (the bridge and cups are; more on that below).

Bridge: The bridge must be stable from side to side and from top to bottom. Why? Because the bridge is where the bra’s support comes from. While we allow the back to stretch for breathing, we stabilize the front so that it can support the breasts, which sit right above it. The bridge is stabilized in two ways. First, the DOGS is placed parallel to the center front, then the bridge is interfaced with tricot, fusible or something similar.

Cups: The placement of the DOGS on the cup depends on the type of support desired, and that’s a whole other post in itself. You can change the direction of the DOGS to meet a particular need, but in most cases, the DOGS on a horizontal, cross cup seam bra is parallel to the neckline on the upper cup and perpendicular to the cross cup seam on the lower cup.

Now, let’s match the performance with fabric.

Band: Remembering that the band is supposed to stretch, choose a stretch fabric such as powernet, lycra, stretch lace, etc.

Bridge: The bridge can be either a woven or a stretch fabric. Duoplex, Simplex, woven cotton, woven silk, satin, or lace are popular rigid fabrics, and stretch lace is a popular stretch fabric. Whether the bridge is a woven or a stretch, remember that it will need to be stabilized with a lining or a fusible interfacing.

Cups: Just like the bridge, the cups can be made with woven or stretch fabric, and it depends on the type of support desired. The recommended fabrics are the same as the bridge. The fabric of the bridge and the cups can match, or they can be a different fabric to add contrast.

9 Comments

  1. Reply

    The Nerdy Seamstress

    I made my first bra this week, and I’m addicted. I want to make pretty bras like yours. Thanks for the helpful tips!

  2. Reply

    Lola

    I keep telling myself to get over my fears of bra making and take the plunge (pun intended)

  3. Reply

    Armiarma

    Very helpful post. I’m seriousy thinking in making my first bra and this guide is encouraging.

  4. Reply

    Francesca

    Thanks so much for your blog. What a resource! I was just wondering from where you source your fabrics? The baby blue lace in this post is heaven-like. So pretty. Many thanks again on showing us your beautiful creations…

    • Reply

      Maddie Flanigan

      Thank you! I purchased the fabric from this Etsy shop and along with Bra Makers Supply, is where I get most of my lingerie fabrics.

      https://www.etsy.com/shop/LaceFabrics

      • Reply

        Francesca

        Thank you so much for this response. I am humiliated and so sorry that I’ve been on an extended trip to San Francisco, so I didn’t catch your reply comment. Blush. Thanks so much for the reply!!! Yay on the Etsy lace store. It’s on my definite list of purchases for this month. I found some great things. I feel blessed!! Again –thanks SO very much for continuing to inspire me… Sincere and kind regards, Francesca

  5. Reply

    margarit

    Hi do you have patterns?.

  6. Reply

    Nijah

    What are the best companies to buy fabrics from that will last also what are the best companies to send to make your bra

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