mislopecustom
The Bra Top Pattern
The Bra Top Pattern
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***After you purchase your pattern, you can access your tool in the MiSlope Drafting Library. NOTE: You must create your account using the same email used for purchase.
Elevate your design game with a fully finished, ready-to-sew bra/tank top pattern crafted entirely around your unique measurements. This pattern is designed with the precision and versatility you need for creating standout dance costumes, swimwear, and performance pieces that move with you.
Designed for Precision & Performance:
- Custom Fit: Input your measurements—nape-to-waist, bust, bust radius, neck, shoulder, and shoulder slope—to create a bra top pattern that fits like a glove, ensuring optimal support and freedom of movement.
- 2 in 1 pattern: You can adjust the height of the waist band to sit either under the bust radius or at the waist, so you can make a sports bra or a tank OR even a tank with a shelf bra.
- Adaptable Design Features: Easily adjust key elements like the neckline height, strap width, and seam allowances. Tailor every detail to suit the specific demands of your fabric and the dynamic movements of your performance.
- Engineered for Versatility: Whether you’re crafting a high-energy dance costume or a sleek, functional swimsuit top, this pattern is built to adapt. Modify the stretch and ease properties to match your fabric’s performance, making it perfect for both high-impact routines and graceful choreography.
Your Design, Your Way:
This isn’t just a template—it’s a complete, production-ready solution that doubles as a dynamic tool for your creative process. From drafting the perfect dance costume accent to constructing a swimwear essential, the Ultimate Custom Bra Top Pattern empowers you to bring your vision to life with precision and ease.
Step into a world where every seam is engineered for movement and every design detail is tailored to your craft. Get ready to sew performance pieces that are as functional as they are fabulous!







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Pattern Features:
- 2 in 1: Create a sports bra, tank or anything in between
- All custom measurement inputs (Nape to waist, bust, bust radius, neck, shoulder, shoulder slope, nape to waist, negative ease and pattern specific inputs)
- Customize the height of the neckline above the bust line on the back and front
- Customize the height of the waistband below the bust radius
- Customize the width of your straps
- Custom seam allowance for waistband, arm and neck hole (you can adjust for binding)
- Custom Negative Ease Inputs. Draft your pattern for exactly the stretch properties of your fabric! (From shape wear to swimwear you can do it all. Draft a 15% or an 8% block, it's up to you!)
- Dartless for less seam lines and a wide reach fit
- Bust guideline
- Bust radius guideline
- Bust Apex Reference Points on front / back panel
- Access to ASTM Missy (Curvy/Straight) Sizing measurement tables from sizes 0 - 20.
- Create an unlimited amount of patterns and designs from one tool!
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Unlimited Downloads, Unlimited Sizes and Lifetime Access to the Swim/Bra pattern tool for the lifetime of MiSlope.com
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What is a custom pattern?
A Custom Pattern is a finished, ready-to-use pattern built entirely around your unique body measurements and design preferences. Unlike ready made patterns that offer a one-size-fits-most solution, this pattern is crafted with precision—from the moment you input key details like nape-to-waist, bust, bust radius, neck, shoulder, and shoulder slope—to deliver a fit that’s tailored exclusively for you.
Think of it as a complete, refined design tool that not only gives you the perfect fit but also acts as a reusable template for endless creative possibilities. Here’s how it works:
- Personalized Fit: Your measurements shape the foundation of the pattern, ensuring that every curve and line mirrors your body’s natural form.
- Customizable Design Features: Adjust the height of the neckline above the bust line (front and back), set the waistband’s position below the bust radius, and fine-tune the width of your straps for the ideal balance of style and support.
- Flexible Seam Allowances: Modify seam allowances around the waistband, armhole, and neckline—perfect for accommodating binding or other finishing techniques.
- Optimized Stretch and Ease: Input custom negative ease values to match the exact stretch properties of your fabric, whether you’re designing for shapewear, swimwear, or activewear.
- Precision Detailing: Enjoy a dartless design option that minimizes seams and enhances comfort, complete with bust guidelines, bust radius guidelines, and bust apex reference points on both the front and back panels.
- Broad Sizing Options: Utilize integrated sizing tables based on ASTM Missy standards (Curvy/Straight) from sizes 0 to 20, making this pattern adaptable for a wide range of body types.
In essence, your Custom Pattern is a fully-developed, production-ready solution that can also serve as a foundation for creating multiple unique designs. It’s about bringing precision, versatility, and your personal touch to every garment you create.
The Bra Top Pattern.

Strap Width Customization
Customize your strap width to go from 0 to the full shoulder width. You have the ultimate power to create the design you want!

Front Neckline (Distance Above Bust Line)
We designed this tool with the ultimate customizations in mind. Customize the height of your front neckline to go as high or low as you'd like it.

Back Neckline (Distance Above Bust Line)
We designed this tool with the ultimate customizations in mind. Customize the height of your back neckline, separate to the front neckline, so you can create the ultimate cutomized fit.

Adjust Arm Hole Side Seam Length (%)
When designing a pattern from a block, you can position your design lines where you want on the block. With the arm hole side seam length %, you can place your design lines wherever you wish without having to manually do it! The arm hole side seam length is the position below the arm scye where the arm hole curve crosses the side seam.

Waist band height
By adjusting the distance between the bust radius and the waistband, you can effortlessly switch between styles—crafting a supportive sports bra, a sleek tank, or a tank with an integrated shelf bra.

Custom seam allowance for side seams and waist band
With unique seam allowance inputs for the side seam and waist band, you can incorporate binding into your design for the neck and arm holes while maintaining accurate seam allowance for those important construction elements.

Custom seam allowance for neck and armholes
Finish your seams using binding by applying 0 seam allowance or seam allowance for a concealed seam/fold over elastic.

Guided Measurement Instructions As You Draft
Each measurement input contains detailed written and video instructions on how to precisely take the measurements needed. No Second guessing, we're there every step of the way to guide you through the drafting process.
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MiSlope Drafting Tools
Unlimited Downloads and Lifetime Access to the One-Piece Stretch Sloper With Side Dart tool for the lifetime of MiSlope.com
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Updates
Continuous updates to current slopers. Including new features, customizations and more!
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Guided Drafting Process
With measurement instructions for each input, as well as, built in instructional videos. You can measure and draft with full confidence!
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Workflow Interface
Ongoing updates to the workflow interface.
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Measuring Tables
If you want to draft slopers or patterns for ready-to-wear, you will have access to ASTM Missy (Curvy/Straight) Sizing measurement tables from sizes 0 - 20.
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Calculation Tools
We do the math, so you don't have to. With every purchase, you will gain access to all calculation tools like the negative ease calculator and shoulder slope calculator built into the MiSlope drafting tools.
Constantly Evolving
When you become a MiSlope member, you are gaining access to an entire team of design and drafting experts. The MiSlope team is constantly working on developing, improving and adding new slopers/patterns to the library since we believe creativity to be dynamic and ever evolving. The MiSlope library will grow with your creative journey as we add new tools, slopers and patterns.