The information in this post is from The Basics for Drafting & Fitting Pants and Skirts. Written by an industrial production pattern maker, tested in the college classroom with Continuing Professional Education Students, the book addresses all custom fit issues, including asymmetrical fit. Drafting instructions are included for inserted back pockets, inserted front pockets and front diagonal pockets with pocket stays, lining, and much more.
Combined with its companion book, The Basics for Sewing Pants and Skirts, the two books present the step-by-step, classroom-tested information you need to produce professional, beautifully fitted skirts and pants.
Below is an overview from The Basics for Drafting & Fitting Pants and Skirts. of how to measure, draft, and fit crotch depth:
Measuring the crotch depth |
2-16: Measure the crotch depth by having the person being fitted sit on a chair. Write the measurement in cell 18. |
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Complete the chart to determine how much depth should be drafted into the pant pattern. |
- Have the person being fitted sit on a chair that has no arms. Measure the crotch depth.
- Write the measurement in cell 19 in Chart 2-17, Crotch Measurements.
- Add the desired amount of ease in cell 20, usually one inch.
- Complete Chart 2-17.
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2-15: The crotch length starts at the body’s center front at the waist, continues down the center front, around the crotch, and up the center back to the center back at the waist. |
About crotch length
Even if the crotch length is correct, the pants may not fit correctly through the crotch. That is because the crotch length is comprised of both vertical and horizontal measurements.
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This diagram from The Basics for Drafting & Fitting Pants and Skirts shows the pant patterns’ crotch length drafted over a skirt sloper that was previously fitted on the model. |
Drafting pants to fit involves three separate fitting areas
- The waist to hip area. Draft and correct this area to fit by drafting a skirt sloper (a basic pattern used in the industry to draft patterns for garment styles) to measurements, then cutting and fitting the skirt sloper in muslin.
- The crotch area. Draft this area from measurements over the skirt sloper, as shown in the diagram above, so as to incorporate the skirt muslin’s fit corrections into the pant pattern.
- The legs. Draft from measurements, then muslin fit the crotch and legs. The crotch area is affected by the fit through the legs. If the inseam at the knee is too tight, it will create pulls at the base of the back crotch area, a common problem seen in mass-produced pants.
Effective drafting, fitting, and sewing pants involves:
- Careful measuring – charts are needed to record and determine measurements
- Skillful fitting – transparent clothing in The Basics for Drafting & Fitting Pants and Skirts shows how the fabric lies over the body.
- Precise sewing – step-by-step instructions in The Basics for Sewing Pants and Skirts show how top seamstresses in the industry’s designing departments produce high-end pants.
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3 Comments. Leave new
Don’t ask what others have done for you, but ask what you have done for others
I appreciate you sharing this blog article.Much thanks again. Really Great.