Prevents the crotch area from stretching out vertically over time. Non-stretch or vertical grain
Draw a perpendicular line at the top, equal to one-quarter of the waist measurement (minus negative ease).
To create a high-quality underwear pattern, follow these best practices:
Maya snorted. She was a graphic designer. She dealt in pixels and fonts, not negative ease and gussets. But the next page drew her in: The Geometry of the Pelvis—A Love Letter.
The direction of maximum stretch (DoMS) must always run horizontally around the body. This ensures the garment expands comfortably as the wearer breathes, sits, and moves. 2. Essential Tools for Intimate Apparel Drafting Patternmaking For Underwear Design.pdf
Keep in mind that these are simplified examples and actual pattern making for underwear design can be more complex.
To mark seam allowance, centers, and assembly points.
Easily find specific topics like "thong pattern modification" or "underwire casing techniques."
Internal structural seams generally require a 5mm to 7mm seam allowance. Prevents the crotch area from stretching out vertically
Focus on the cradle (frame), the cups, and the wing (back strap).
Underwear patterns use significantly smaller seam allowances than outerwear to reduce bulk against the skin.
The Ultimate Guide to Patternmaking for Underwear Design Mastering underwear design requires a unique blend of technical precision and material science. Unlike structured outerwear, undergarments act as a second skin. They must provide comfort, support, and flexibility while enduring constant movement and stretching.
Metric Pattern Cutting for Women's Wear by Winifred Aldrich: Contains dedicated, highly reliable chapters on close-fitting garments and elastomeric fabrics. She was a graphic designer
For example, I can produce:
[ Front Waist Line ] A ----------------------- B | | | | Side Seam | Front Piece | | | | C | / | / Leg Curve | / D -------------------- E [ Gusset Seam ] Step 1: Establish the Framework
She watched three hours of YouTube on “drafting the crotch curve.” Nothing worked until she returned to the PDF’s oddest chapter: “Listen to the Fabric.”
This article explores the essential principles of lingerie drafting, the nuances of fabric stretch, and why mastering this craft is the ultimate "level up" for any designer. 1. The Anatomy of Intimate Apparel
Crotch length (total length from front waist, through the legs, to back waist) Drafting the Front Panel