FULL COURSE FROM START TO FINISH

Pattern Hacking

Create Custom-Fitted Patterns — the Smart, Professional Way

Every couture project starts with a pattern — but only the best dressmakers know how to make it their own.
This masterclass unlocks the secrets of Pattern Hacking, a professional method that allows you to create perfectly fitted garments using a tested Master Pattern as your base.

Instead of redrawing from scratch, you’ll learn to adapt, reshape, and resize existing patterns for any body type or design idea — saving hours of work and achieving flawless results every time.

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ABOUT THIS COURSE

Instructor: Tatiana Kozorovitsky
Course Length: 47 lessons (13 hours 30 minutes)
Every lesson comes with an illustrated transcript.
Add-ons: Automatic pattern calculation software
Downloads: 15 Master sewing patterns
Skill level: Beginner - Intermediate

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COURSE CURRICULUM

Introduction to Pattern Hacking

Pattern Hacking 101
"Pattern Hacking" Practical Examples.
Measurements Guide

MANUAL CALCULATION METHOD:

WEDDING DRESS WITH DEEP NECKLINE AND A WHOLE PIECE TRAIN

Calculating Pattern Alterations
Altering the Standard Pattern

DRESS WITH LACE STRAPS AND FULL SKIRT - REMOTE SEWING

Calculating Adjustments to the Standard Pattern
Customizing the Bodice on Paper
Sewing a Mock-Up Bodice of the Dress

PLUS SIZE EVENING DRESS WITH HIDDEN CORSET

Calculating Pattern Alterations
Constructing the Pattern. Calculating Fabric Consumption

PLUS-SIZE DRESS WITH A STRAP

Pattern Download
Calculating Pattern Alterations. Part 1
Calculating Pattern Alterations. Part 2
Constructing the Corner for Attaching Shoulder Straps
Applying Alterations to the Pattern. Part 1
Applying Alterations to the Pattern. Part 2
Applying Alterations to the Pattern. Part 3

NON-CORSET CUPPED DRESS

Pattern Calculation
Tatiana Kozorovitsky’s Formula.
BONUS: Automatic Pattern Pattern Alteration Software

WEDDING DRESS WITH SLEEVES

Calculating Adjustments to the Standard Pattern
Customizing the Size of the Pattern
Building the Lace Top Part of the Back
Building the Lace Top Part of the Front
Testing the Adjusted Pattern on a Mock-Up
Styling and Shaping the Pattern
Creating a Re-styled Paper Pattern. Part 1
Creating a Re-styled Paper Pattern. Part 2
Sewing a Mock-Up after the New Pattern
BONUS: Automatic Pattern Alteration Software

HALTER-NECK WEDDING DRESS WITH REMOVABLE SLEEVES

Calculating Adjustments to the Standard Pattern
Customizing the Size of the Pattern
Styling and Shaping the Pattern
Building a Paper Pattern without Side Seams
Testing the New Pattern on a Mock-Up
BONUS: Software - Halter Neck Dress Pattern Calculations

GALA EVENT DRESS

Calculating Pattern Alterations
Applying Adjustments to the Front Pieces
Applying Adjustments to the Back Pieces
BONUS: Pattern Alterations Calculation Software

AUTOMATIC CALCULATION METHOD:

CORSET WITH 2 CURVES

Altering the pattern to the client’s measurements. The front.
Pattern alteration. The back.
SOFTWARE: Corset with 2 Curves

CORSET WITH QUILTED CUPS AND 4 CURVES

Making a pattern of your own based on a standard pattern
Making a pattern of your own based on a standard pattern - continued
Necessary preparatory work with the dress-form
SOFTWARE - Corset with Quited Cups and 4 Curves

LACE BODICE AND FULL SKIRT WEDDING DRESS

Pattern alteration.
Corset back drafting.
SOFTWARE: Automatic Corset Pattern Alteration
SOFTWARE: Automatic Calculations For A Fitted Bodice Base Drafting

WEDDING DRESS WITH DETACHABLE FULL SKIRT

Pattern alteration of the corset face for our client
Changes of the lining pattern for our client
Alteration of corset face for a plus size client
Pattern alteration of corset lining for a plus sized client
SOFTWARE: The Dress (the Corset) Calculations

DRAPED WEDDING DRESS ON A SOFT BASE

Preliminary pattern alteration
Mock-up of altered pattern
Pattern finalization for cutting
SOFTWARE: Dress Pattern Calculation

DOWNLOADS

Sewing patterns for each garment (total 15 Master Patterns)

Pattern Hacking is the fastest and most accurate way to create perfectly fitted patterns.
Instead of drafting from scratch, you start with a proven Master Pattern and adjust it to your client’s measurements and design. This professional method saves hours of work and ensures flawless fit every time.

This course is a collection of Pattern Hacking lessons curated from Dressmaking Academy’s top programs — focused entirely on pattern adjustment and design development (no sewing tutorials).

What You’ll Learn

Master the Pattern Hacking Method
Turn any master pattern into a made-to-measure draft for corsets, dresses, jackets, and more — saving up to two days per project.
Measure Like a Pro
Learn essential and exclusive measurements, and understand how each value translates to real pattern sections.
Shape the Body with Precision
Create hourglass silhouettes, correct proportions, and simulate corset shaping for perfect results.
Combine Manual & Automated Techniques
Grasp the logic behind calculations, then use the Dressmaking Academy software for faster, more precise drafting.
Explore Creative Design Options
Draft lace tops, straps, and necklines directly on paper — no complex math required.

Why You’ll Love This Course

Save time: Cut drafting from days to hours.
Work smarter: Adjust, don’t start over.
Perfect every fit: Adapt to any size or shape.
Gain freedom: Build any garment from your trusted master pattern.

The Results

By the end, you’ll:

Confidently transform any master pattern into a custom-fit design.
Draft and adjust corsets, dresses, and tops for any figure.
Work faster and more accurately — with complete control over fit and proportions.

Who It’s For

Perfect for dressmakers, bridal designers, and sewing enthusiasts who want to elevate their skills, master pattern adaptation, and achieve couture-level precision with ease.

✨ With Pattern Hacking, you’ll design anything — faster, smarter, and flawlessly fitted.

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