Ready to take sewing seriously? Master the skills and techniques to become a professional and confident dressmaker.

Advanced Construction ONLINE Course: The Ultimate Guide to Dressmaking


What Our Students Are Saying

“I have tried everything (teaching myself with textbooks and YouTube, and other courses) and nothing comes close to this one. It has the most efficient and most accurate methods I’ve seen. Every question of mine got answered in the course. Tzirel Leah is very thorough, and the word I would use to describe the course (aside from awesome) is comprehensive.”

Baila Jacobowitz

“After every lesson that was completed, I would show what I sewed to my whole family and hear their compliments. I even brought the mini dress to school to show my friends! Basically, I couldn’t stop! Everything was explained in depth, and I feel like I really understand it. All the different methods and all the pros and cons of each were shown, along with which was the most preferable and why. I can’t believe how well I know everything and how confident I am with my skills. I already started offering my services to other people.”

Rochel Zeffren

You already know the ABCs of Dressmaking. It’s time to learn the rest, so you can go far.

Advanced alterations
Dresses and
Professional time-saving secrets

Say “YES!” to Rebecca and her tricky alteration requests.

By the end of the Advanced Construction Course, you’ll feel confident to:

  • Create professional dresses and gowns

  • Lift a shoulder, remove the sleeve cap, and know exactly where to cut

  • Gather 500 inches of tulle without spending 3 days using gathering stitches

  • Take in dresses that are fully and partially lined

  • Hem jacket sleeves with buttons and mitered corners

  • Clean finish the inside edges creating a store-bought look

  • Use darts effectively to provide the perfect fit

And much, much more.

Before you know it, you’ll have the whole neighborhood booking your dressmaking services and paying you for high-end alterations.

Scissors ready? Slice into expensive fabric, with confidence!

In Advanced Construction you'll learn to:

  • Collars

    Sew jacket collars: lapel/notch and shawl collars. Sew shirt and dress collars: Peter Pan and Shirt collars.

  • Sleeves

    Sew sleeves following three different methods. Insert gussets to add more room to a garment.

  • Seams

    Sew French, Flat-Felled and Hong Kong seams. Sew mitered hems and borders and join steep curves and angles.

  • Shaping

    Sew darts, princess seams, and pleats.

  • Dresses and Gowns

    Create two full dresses, one fully lined and one partially lined with invisible zippers.

  • Advanced Alterations

    Take up shoulders on dresses and jackets. Access the inside of a fully lined garment and hem lined jacket sleeves and taper jackets.

  • Cuffs

    Sew cuffs and 2 different plackets: continuous and tower.

  • Necklines

    Clean finish necklines following three different methods.

  • Knits

    Sew a knit t-shirt and sew stitches that stretch on knit fabrics. Sew tricky fabrics using different tricks and tips.

  • Gathers

    Gather fabric using 5 different gathering methods. Do smocking with shirring thread.

  • Zippers and Buttonholes

    Sew a lapped and exposed zipper. Sew regular and bound buttonholes and sew buttons by machine.

  • Pockets

    Sew in-seam and welt pockets.

What Our Students Are Saying

“I highly recommend taking this course. You’ll learn all the techniques you ever wanted to know. With this course you can make complete outfits. Turn from a beginner to an advanced sewist.”

Rivky Kleinbart

“Your teaching is super clear and I really like how you explain concepts so I can understand why things are done the way they are, instead of just memorizing a sequence of events . It makes it retainable for the long term. I am blown away with how super organized and how meticulous you set up this course - it is really incredible!! The book is priceless. It has EVERYTHING in it!”

Tzippy Gold

And the machine that stumps the best of us - the Serger!

In this BONUS in-depth class you'll learn:

  • What is a serger and how to use it properly (loopers, knives, and tensions)

  • What are all the parts of the serger? (threading, dials, and adjustments)

  • Maximizing the functionality of the serger (cutting width, stitch length, deferential feed)

  • Decorative serger techniques (rolled hems, flat-locking, and gathering)

As part of Advanced Construction you'll get:

6 months access • 16 classes

  • 2 classes a week

    You’ll get two clear video lessons each week. By week eight, you will have all the classes available to watch. You have 6 months of access to the course to rewatch and review.

  • All fabric & supplies delivered

    Yards and yards of fabric and sewing notions will be delivered to your house. This set includes all the necessary supplies you’ll need for every technique.

  • 30 hr of video instruction

    30 hours of clear, easy to follow videos that guide you step by step - stitch by stitch. Includes bonus serger class!

  • 25 Assignments with Feedback

    Every class you’ll get homework to practice the techniques. You’ll upload pictures of your work, and get personalized feedback and encouragement.

  • Email Support

    Questions as you go along? We're here for you, just shoot us an email. Tzirel Leah will guide you along.

You’ll also receive a Complete Sew Pro Box.

Our Complete Sew Pro Sewing Supplies and Fabric Box (value $150) will be delivered to your door. International students email us for shipping cost. Free shipping within the US. There is NO SEPARATE FEE for this; it is included in the course. This box has everything you need for the course.

The box includes:

  • OVER 10 YARDS OF HIGH-QUALITY fabric. (This fabric was hand-selected and pre-tested. Many fabrics were nixed until we found the highest quality!)

  • Interfacing

  • Double folded bias tape

  • Adjustable zipper foot and six zippers

  • Spool of elastic/shirring thread

  • Heat erasable pen

  • Gridded marking ruler

  • Wash away wonder tape and Awl

But it doesn't stop there. Each student also receives a 162 page fully illustrated workbook.

This book has all the tricks and techniques we learn in the course, and it’s yours forever.

What Our Students Are Saying

“Tzirel Leah’s clear teaching methods combined with her exuberant personality make her classes a pleasure. With her endless patience she guides each student to success. I now feel confident to use all her different sewing techniques to sew things for myself and others.”

Shaindy Greenstein

“I kept getting frustrated. I wanted to do work on different sewing projects, but I didn’t know how. After taking this course my sewing became so much more professional. It reached a whole other level. There’s no comparison. Tzirel Leah had answers to every sewing question I had, no one else did.”

Tova Laskin

“This is an incredible course. It is a must if you want to sew professionally and efficiently. Tzirel Leah goes through every technique you can imagine and explains each part really well. The course is so thorough! I have tried other courses, but none are as thorough or comprehensive or cohesive as this one!”

Sori Segal

Your alterations will NEVER-AGAIN look like a 5th-grade arts and crafts project. 🙈

Become a professional and confident dressmaker!

6 Month Access

Free shipping within the US for The Sew Pro Box. Located outside the US? Email BEFORE purchasing the course for shipping fee.

  • $750.00

    Advanced Construction + Fabric and Supplies Package

    Sign up now!

Check out our Bundle option for the ultimate design freedom. Advanced Construction + Patternmaking