Online Sewing Classes | Designer Joi • Dress Forms Design • Sewing Factory

Hi! My name is Joi Mahon, aka Designer Joi® (a nickname given by a friend)

I am a fashion sewing entrepreneur, founder of Dress Forms Design Studio, LLC, who has been blessed with amazing experiences in my sewing and design business. I am a published author of Machine Embroidery 101, Sewing Clothes, The Ultimate Illustrated Guide to Sewing Clothes, Create the Perfect Fit, & Designer Joi’s Fashion Sewing Workshop, McCall Licensed Pattern Designer, Craftsy/ Bluprint instructor, BERNINA Industry Alliance member, Mettler Brand Ambassador, past Baby Lock Ambassador, fan of Embroidery Legacy & OESD designs, clothing patent owner, and fit expert. My studio is Designer Joi’s Sewing Factory in Sioux City, Iowa. I get to create every day!

More importantly, I want to follow my calling and become a light and inspiration to my students and friends. I give the Lord all the Glory.

About Joi

Perfect Fit Blog

Sewing Factory

DESIGNER JOI'S

PERFECT PATTERN & FIT CLUB

Perfect Pattern & Fit Club is a community of sewers looking for professional expertise to guide you and help you experience growth in your sewing, pattern, and fitting skills. Joi teaches pattern-making, project, and fitting lessons in an approachable, down-to-earth style based on over 30 years of experience in the sewing business. Membership includes weekly live, engaging lessons that provide real results, pre-recorded lessons, video shorts, engaging visuals, bonus classes, and more. Each season is different, so check out our current content in our web store and video player.

Learn More

Designer Joi™ McCall's Patterns

JOI'S BOOKS

Designer Joi™ Portfolio Gallery

Custom Design
Illustration
Pattern-Making
Prototype Development
Content Development

WHY CHOOSE CUSTOM COUTURE?

The Complete Couture Experience for your Special Event

Joi is a master of fit and design – perfect fit, beautiful construction, high-end look and details. A memorable experience.
You are involved in the decision-making process from fabric selection, style and price range including the delivery date.
Each gown is available in an unlimited selection of colors & fabrics. All sizes are accommodated because each design is drafted to each individual’s measurements.
View your dress and try it on in sample form before it is cut from the actual fashion fabric. You know what it will look like when finished.
No additional charges for alterations, shipping, length or size.
Personalized, friendly service makes it a fun and rewarding experience to design your own gown and get the dress you’ve always dreamed of.

Learn Online

Sewing Time Live

A Higher Calling

Creative Lessons with a Faith Focus

FEATURED CLIENT DESIGN

Embroidered Gown

FEATURED DESIGN

Joi's Celtic Coat

Premium ONLINE CLASSES

Learn and interact during weekly club lessons

A DREAM CASTLE PHOTO SHOOT IN NORTHERN IRELAND

Exclusive adventure, rewarding results!

SEWING FACTORY

Attend live classes with Joi

Machine Embroidery 101

JOI'S LATEST BOOK

THANK YOU TO BERNINA

Our Sewing Machine sponsor