Pattern grading is an essential part of pattern making[pattern making?:pattern making]. It decides how patterns increase or decrease sizes. According to countries, pattern grading includes USA's, EUR's, UK's, and CHN's.Generally, pattern grading adjusts for people of different ages and genders. The fabric type also influences the pattern grading standards.
Pattern grading is increasing and decreasing pattern sizes proportionate to specific instructions. Pattern grading is widely used in manufacturing of shoes[shoes?:shoes paper pattern cutter], garments, etc. Generally, the pattern grading divides to women’s pattern grading, men’s pattern grading and children’s pattern grading.
Pattern grading by computer is very fast and accurate. The disadvantage of computerized pattern grading is the cost of equipment. Costs of computer systems and software can run into the millions of dollars. Since only large companies can afford these pattern grading systems.
Designers should know how they want the sizes to grow or shrink and provide the information to a pattern grading. Pattern grading is done according to age, sex and size. If a designer is unsure of how a pattern should grow, these are some of the concepts to consider, like which kinds of people pattern grading offers, what's the style of pattern grading, etc.