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What is included in the download:

  • Scales 15in to 60in for the American Garment Cutting System
  • PNG and JPG files ready to use for traditional drafting.
  • Printable PDF files to print the rulers for traditional cutting.
  • Explanations of the rulers and how to assemble PDFs

What are scale rulers or approportioning scales?

Scale rulers or approportioning scales were used in many patent based systems for pattern drafting throughout the late 1800s and early 1900s. These rulers are based on a set of mathematical units that equate to fractions of an inch.

Rulers were sold in sets and labeled with different measures. You use the ruler corresponding to the matching body or length measurement as instructed in the draft instructions.

If you have a 35” bust and you are drafting a bodice, the draft may instruct you to select the scale ruler that of your bust measurement. This means you would use the ruler labeled “35in” for all width measurements. Vertical measurements may be drafted in inches or using scale rulers (this depended on the system.

The advantage of scale rulers is that it reduces the amount of math needed to be done by the pattern drafter and often lead to more accurate and consistent drafting.

What is the American Garment Cutter System?

The scale rulers used for the American Garment Cutter Instruction and Diagram Book as well as those in the periodical The American Modiste utilized a set of rulers patented in 1902 by Jonathan Nelson (US Patent 717253). These rulers were sold by the Page H. Gregg company out of Chicago, IL. The enclosed rulers were drafted based on the patent information.


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