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Drafting the Two-Piece Body Pattern and One-Piece Sleeve

Illustration of the two-piece body pattern with one-piece sleeve drafting.

The Two-Piece Body Pattern and One-Piece Sleeve is one of the least anatomical, since it does not closely follow the body’s natural shape.
The front and back pieces are considered practically identical, without adapting to the relief of the sternum. When working with stretch fabrics, this pattern becomes the basis for most garments that fit closely to the body.
It is also the main reference for knitwear.
Among the most common examples are T-shirts and sweatshirts.


Measurements and Reference Points

Illustration of body measurements for drafting the two-piece body pattern with one-piece sleeve.

This pattern requires a series of specific measurements, taken from internal and external points of the human body, along with the use of the fitting waistband.

In the list of measurements below, you will find links to explanatory videos to better understand each reference point:

Many of these measurements can be deduced from the main one: the half chest girth


The basic required measurements are the half chest girth and the nape to waist back


Video: Drafting the Two-Piece Body Pattern and One-Piece Sleeve

Here you can watch the full video, divided into three parts:

Two-piece body pattern with one-piece sleeve without ease.
  1. Initial draft without ease – how to obtain the base pattern.
Two-piece body pattern with added ease.
  1. Use of ease – application of positive or negative ease depending on the type of garment.
One-piece sleeve pattern for the two-piece body.
  1. Drafting the sleeve – construction of the one-piece sleeve for the body pattern


Upcoming Content

In future posts we will explore how, starting from this pattern, you can develop various garments (shirts, T-shirts, sweatshirts, etc.) and their grading for different sizes.

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