This post brings the "how to learn to grade sewing patterns" post series to an end. In part 1 and part 2 , I talked about why one may need to grade, what grading is and is not, and methods of pattern grading. You should look at those posts before continuing with this. Those posts contain videos and links to resources that can help get started. This post will even contain more links to resources I have personally found very helpful. First up is a Threads magazine online article from way back (2008). This article is golden. It gives a simple example of how patterns “grow” at different locations within a pattern. It explained grading using a cut and spread diagram, but the info is also useful to both the “slide” and X &Y methods. This growth in different locations as shown on the chart in another article linked to ) are known as “ grade rules ”. The chart shows a simple formula for arriving at the grade rules. This formula is not set in stone, but it is ...
