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The transition from classic to contemporary patternmaking was accelerated by the rise of mass production. As the industry moved away from individual bespoke measurements toward standardized sizing, patternmakers developed "master blocks" or "slopers." These templates allowed for the rapid grading of sizes while maintaining a consistent aesthetic. During the mid-20th century, the introduction of synthetic fibers and lighter-weight wools began to influence the draft; patterns became less about internal structure and more about the drape of the fabric. The "sack suit" popularized in mid-century America is a prime example of this simplification, removing the heavy waist suppression of the classic British cut in favor of a more boxy, universal fit. Contemporary Innovation and Technical Fluidity patternmaking for menswear classic to contemporary pdf
Contemporary patterns often drop the shoulder point and increase the "ease" (the space between the body and the fabric) to create a relaxed, draped look. The "sack suit" popularized in mid-century America is
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