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How to Adjust a Non-Stretch Pattern for Stretch Fabric with Jennifer Stern

If you have a pattern in your stash that you want to make out of knit, but it was designed for non-stretch fabric, this is the class for you. Jennifer has made a set of samples to show you how a top and pant pattern fits in non-stretch fabric. Then she'll use adjusted pattern pieces to make them out of knit or stretch fabric. The key to adjusting the pattern correctly is to determine how much wearable stretch your fabric has. Just because a fabric can stretch 30% doesn’t mean you want it to. She’ll show you the difference between maximum stretch and wearable stretch. Then learn how to adjust your pattern pieces for a perfect fit. Discover what kinds of non-stretch patterns are easier to adjust for stretch fabric. Jennifer will also talk about how to use your adjusted pattern pieces to create new styles.

$20 kit fee includes workbook & mini pattern pieces 

NOTE: Since this class is a collaboration with the American Sewing Guild, we cannot accept any cancelations. You are welcome to sell your spot to another person.

Requirements: Must purchase kit - $20
Instructor: Jennifer Stern
Instructor Bio: Jennifer Stern Hasemann is the owner and designer at J Stern Designs. She has a solid background in pattern design and drafting, fit and construction. Her original line of fashion patterns features classic jeans, a cup-sized fitted shirt and a unique tee. Since then she's added an Easy Fit and Sew Collection of knit garments, Stretch Jeans, Knit Jeans and Happy Pants (non-stretch pants pattern and fit workbook). Her focus is drafting flattering patterns with easy to follow instructions and fitting techniques. She loves to share a wide variety of sewing, serging, fitting and construction techniques via her J Stern Designs YouTube Channel where she currently has over 100 video tutorials. Additionally, she teaches online at and and in person around the country.

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Included Materials



This class cannot be purchased online. Please contact the store for more information.