Core Slopers Accelerator

3 hrs 55 mins

Difficulty:

The Core Slopers Accelerator provides focused, in-depth instruction on creating fundamental bodice and skirt “slopers”: the essential base patterns used in garment design. This course guides you through the professional techniques of draping directly onto a dress form and accurately transferring those drapes into precise paper patterns. You will learn to create versatile foundation pieces that can be adapted into a multitude of garment styles.

What You Will Learn:

Dress Form Preparation:

  • Accurately measure and apply essential reference tapes (center front, center back, bust, waist, hip, side seams, neckline, armhole, shoulder) to your dress form

Bodice Draping & Patternmaking:

  • Drape a basic bodice with a single waist dart, achieving a foundational fit.
  • Drape a basic bodice with two darts (waist and bust/side seam) for more complex shaping and fit, particularly for fuller bust areas.
  • Transfer your draped muslin bodice pieces to paper, mark dart placements, and establish grainlines.
  • True your bodice patterns, including closing and perfecting darts, and ensuring seam lines (shoulders, side seams) align correctly with corresponding back pieces.
  • Add appropriate seam allowances to your finished bodice slopers.

Skirt Draping & Patternmaking:

  • Drape a basic straight skirt, establishing dart placements for a smooth fit over the hips.
  • Adapt the straight skirt drape to create an A-line skirt by adding flare from the waist or hip.
  • Modify the straight skirt drape to create a tapered skirt by reducing width towards the hem.
  • Transfer your draped muslin skirt pieces to paper, ensuring correct dart capture and grainlines.
  • True your skirt patterns, perfecting dart shapes and waistline curves.
  • Learn techniques to adjust skirt length and match side seams for various styles.
  • Add appropriate seam allowances to your finished skirt slopers.

Integration and Fit:

  • Understand how to align and attach bodice and skirt slopers at the waistline, ensuring darts and seams correspond for a cohesive dress foundation.
  • Learn to make minor ease adjustments on the dress form and translate them to your patterns for improved comfort and fit.

Course Content & Structure:

The course is delivered through a series of detailed video lessons, demonstrating each step of the draping and patternmaking process.

Module 1: Preparing Your Dress Form

  • Taping essential guidelines: Center lines, bust, waist, hip, side seams, neckline, shoulder, armhole, and optional princess lines.
  • Understanding necessary tools: Scissors, pins, measuring tape, marking pencils/markers, muslin.
  • Measuring the dress form for initial muslin block preparation.

Module 2: Basic Bodice with 1 Dart (Waist)

  • Preparing muslin: Pressing, marking bust line reference.
  • Draping the front bodice: Aligning, pinning, smoothing, slashing for neck/shoulder fit, creating the waist dart.
  • Draping the back bodice: Aligning, shoulder/neck fit, creating back shoulder and waist darts.
  • Marking draped pieces: Apex, seam lines, dart legs, end points.
  • Transferring to paper: Using a tracing wheel, establishing grainlines.
  • Truing the pattern: Closing darts, correcting seam lines, ensuring continuity.
  • Adding seam allowances.

Module 3: Basic Bodice with 2 Darts (Waist & Bust/Side Seam)

  • Draping the front bodice: Similar initial steps, creating a waist dart and an additional dart at the bust line/side seam for enhanced shaping.
  • Marking and transferring the 2-dart bodice.
  • Truing the 2-dart bodice pattern.

Module 4: Skirt Slopers

  • Preparing muslin for skirts: Measuring for length and width.
  • Straight Skirt: Draping front and back, establishing hip line reference, creating waist darts for fit.
  • Tapered Skirt: Modifying the straight skirt drape by taking in fabric from the hip line to the hem.
  • A-Line Skirt: Modifying the straight skirt drape by adding fabric/flare from the waist or hip line outwards.
  • Marking draped skirt pieces: Waistline, darts, side seams, hemline references.
  • Transferring skirt drapes to paper.
  • Truing skirt patterns: Perfecting darts, waistline, and side seam curves, adjusting for different styles (straight, A-line, tapered).
  • Adding seam allowances.

Module 5: Attaching Bodice and Skirt

  • Demonstrating how drafted bodice and skirt slopers are pinned together on the dress form at the waistline.
  • Ensuring alignment of darts and side seams between the bodice and skirt for a balanced dress foundation.
  • Final checks for fit and proportion.

Key Features:

  • Step-by-Step Video Demonstrations: Clear, close-up visuals of all draping and patternmaking techniques.
  • Detailed Explanations: Instructor commentary guiding you through each decision and action.
  • Focus on Foundational Skills: Mastering the core slopers provides a strong basis for future design explorations.
  • Practical Application: Learn by doing, creating tangible patterns you can use immediately.
  • Professional Techniques: Acquire industry-standard methods for draping and pattern creation.

Who Is This Course For?

  • Individuals with some basic sewing experience looking to advance to custom patternmaking.
  • Aspiring or student fashion designers seeking to build a strong foundation in pattern creation.
  • Home sewers who want to achieve a better fit than commercial patterns offer.
  • Anyone interested in learning the art of draping and creating personalized garment blocks.

Materials & Prerequisites:

  • A dress form (demonstrations use a size 6, but techniques are adaptable).
  • Muslin fabric.
  • Essential Draping Tools: Fabric scissors, paper scissors, pins (dressmaker and pattern), draping tape (e.g., 1/4″ or 1/8″ twill tape or narrow ribbon), measuring tape (inches & cm).
  • Marking Tools: Pencils (graphite, red, blue), tracing wheel (pointy), chalk or fabric marker (optional, for muslin).
  • Patternmaking Tools: Pattern paper (dot paper recommended), rulers (straight, clear gridded, French curves), awl/punch (for dart points), paper tape.
  • Basic familiarity with sewing terms and garment construction is beneficial but not strictly required to follow the draping and patternmaking steps.

Get Access to this course today!

Core Slopers Accelerator

1-Year Access
$147.00

Core Slopers Accelerator

Lifetime Access
$197.00

LESSONS

Introduction

Taping & Measuring Your Dress Form, and Measurements for Muslin Preparation
Lesson 1
Taping & Measuring Your Dress Form, and Measurements for Muslin Preparation
How to properly tape and measure a dress form in preparation for draping. I explain the essential lines that need to be marked, such as the center front, bust, waist, hip, side seam, and others.
6 mins
Before You Start Draping Slopers PDF
Lesson 2
Before You Start Draping Slopers PDF
Print this PDF for future reference!

Basic Slopers - Draping

Bodice with 1 Dart (Waist) - Draping
Lesson 3
Bodice with 1 Dart (Waist) - Draping
Step-by-step process of draping the front and back bodice pieces, creating darts to shape the fabric around the curves, and marking all the necessary points and lines to transfer the draped muslin into a pattern later.
27 mins
Basic Bodice with 2 Darts (Waist and Bust) - Draping
Lesson 4
Basic Bodice with 2 Darts (Waist and Bust) - Draping
In this lesson, I teach how to drape a basic bodice with two darts - one at the waistline and another at the bust line. This method is especially helpful for those with a fuller bust and smaller waist, as it distributes the excess fabric into two separate darts for a better fit.
15 mins

Basic Slopers - Patternmaking

Bodice with 1 Dart (Waist) - Patternmaking
Lesson 5
Bodice with 1 Dart (Waist) - Patternmaking
How to trace the draped muslin onto dot paper using a tracing wheel, then draw in the seamlines and darts. I explain truing the darts by folding and aligning the dart legs. I also cover matching the side seams, shoulders, and adjusting for a smooth armhole curve. Finally, I add seam allowances to complete the paper pattern pieces.
1 hr 11 mins
Basic Bodice with 2 Darts (Waist and Bust) - Patternmaking
Lesson 6
Basic Bodice with 2 Darts (Waist and Bust) - Patternmaking
How to transfer a draped basic bodice with waist and bust darts onto paper to create a pattern. I trace the muslin pieces, mark important points like apex, and close the darts to get the final pattern shape. Adjustments aree made to blend the front and back patterns smoothly.
29 mins

Basic Skirts - Draping

Basic Skirt - Draping
Lesson 7
Basic Skirt - Draping
In this lesson, I teach how to drape a basic straight skirt on a dress form, incorporating darts to achieve the desired fit.
20 mins
Tapered Skirt - Draping
Lesson 8
Tapered Skirt - Draping
In this lesson, I demonstrate how to taper a straight skirt by folding in the fabric from the hip line towards the hem, creating a slimmer silhouette at the bottom while maintaining the straight grain at the waistline.
6 mins
A-Line Skirt - Draping
Lesson 9
A-Line Skirt - Draping
How to create an A-line skirt from a straight skirt pattern by releasing the fabric at the hemline. I demonstrate marking the desired A-line flare and pinning the excess fabric to achieve the desired silhouette.
4 mins
Attaching Bodice & Skirt, Turning into a Dress Sloper
Lesson 10
Attaching Bodice & Skirt, Turning into a Dress Sloper
I demonstrate the steps to properly attach the draped bodice and skirt pieces together, ensuring the darts are closed and the waistlines are matched. This creates a cohesive dress with princess seam lines flowing from bodice to skirt.
7 mins

Basic Skirts - Patternmaking

All Skirts - Patternmaking
Lesson 11
All Skirts - Patternmaking
I demonstrate the process of transferring a draped skirt muslin onto paper to create a master skirt block pattern. I show how to true the darts, add desired lengths, and create straight, tapered or A-line skirt styles from the basic block.
49 mins

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