Blocks 

 Pattern-making blocks generally refer to the individual pieces that 

together create a sloper. Blocks do not contain seam allowances, hems, or facings. Sometimes, block and sloper are used interchangeably. However, in the apparel industry, there is a distinct difference.

Terminology

Apex 

 The highest point of a dart or a curve.

Armscye

 The point on a pattern in which the sleeve is sewn.

Dart 

 Triangular elements of a pattern that when sewn enable a flat, 

two-dimensional pattern piece to take shape on a three-dimensional 

figure. Not all garments use darts. For example, knit wear does not 

require as much built-in shaping as a woven fabric would need.

Blend 

 Blending is a process of smoothing and shaping lines to create a smooth transition from one point to another. Similarly, blending can occur when connecting two separate lines or curves to create a pattern pieces. An example of this would be connecting a bodice block to a skirt block to make a dress. This is usually done using the common pattern making rulers.

Dart Leg

 Two lines that come together at a specific point to create a dart.

Dart Intake

 The portion of the fabric between the dart legs to remove excess fabric and create shape.

Bust Point 

 A designated place on a pattern that is generally used as a pivotal 

point. For example; when moving a dart to a new location on a bodice.

Ease 

 The amount of extra fabric that is built into the pattern to allow the garment to fix in a relaxed position.A woven pattern would have positive ease, where a knit pattern would have negative ease.

Bias 

 A diagonal line across the grain of the fabric. A bias cut is generally used in knits and has a desirable drape that fits closely to the curves of the body.

Grading

 The process of creating the sizing of a pattern.

Facing 

 An extra pattern pieces that is used to stabilize an area of a 

garment. Facings are often used around curved areas such as neck and arm openings.

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Costume Design