Frustrated with sleeves that are too tight, too loose, or just not sitting right on the shoulder?


The solution to your sleeve pattern making challenges is here.

The ultimate guide to building a strong foundation in creating sleeves that fit like a dream!


Everything About Set-In Sleeve Patterns

Build A Strong Foundation For Your Pattern-Making Skill Set.

Whether you're a beginner looking to learn the basics of sleeve pattern making or an experienced pattern maker seeking to refine your skills, this masterclass is designed for you.

Learn everything about the fundamentals of set-in sleeve pattern making. You'll gain valuable insights and practical techniques to overcome the challenges of sleeve pattern making and achieve professional-looking results.


Different types of sleeves by construction.


Relationship between sleeve cap height and bicep.


How to calculate sleeve cap height.


The key points to drawing a sleeve crown.


How to control sleeve armhole ease.


The shoulder notch position changes the fit.

By The End Of This Masterclass,


You'll have the knowledge and skills to create the sleeves that you desire and enhance your overall confidence in pattern-making. Whether you're a fashion student, an aspiring designer, or a sewing enthusiast, this masterclass is a must-have for anyone looking to master the art of sleeve pattern making.

My name is Jin.

Hi there! I'm a professional pattern maker with over 20 years of experience in the industry. Throughout my career, I've gained a wealth of knowledge and expertise in the art and science of pattern making, and I'm excited to share that knowledge with others who are looking to improve their skills.

If you're ready to take your pattern-making skills to the next level, I invite you to join me on this exciting journey. If you're looking to advance your career, this masterclass will help you achieve your goals. Let's get started!

"This masterclass is unlike any other I've taken, and I've gained valuable skills that I can use in my own projects. I highly recommend this masterclass to anyone who wants to improve their pattern-making abilities."

Angela Shaw

"Absolutely amazing! This masterclass is indeed a confidence builder. Jin's explanations is always concise and really easy to understand, making the learning process incredibly smooth. "

Linda Simopoulos



If you're a serious pattern maker, whether you're a fashion school student, business owner, freelancer, fashion designer, or sewing enthusiast, and you are eager to build a strong foundation of your pattern-making skill set, YES! this masterclass is for you.

By the end of the course, you'll be able to create any sleeve patterns with confidence and precision, and you'll have a deep understanding of the principles and techniques of set-in sleeve patterns.

Bonus Classes!

Perfect Fit

What is a perfect fit you're chasing?

Waist Darts

How to determine waist darts for skirts & pants.


You will get lifetime access, so you can watch it anytime you want and as many times as you want!!

Join Masterclass