--- title: "@freesewing/plugin-grainline" --- The **@freesewing/plugin-grainline** plugin provides [the grainline macro](/reference/macros/grainline/) which adds a *grainline* indicator to your design. An example of the grainline macro The grainline plugin is part of our [plugin-bundle](/reference/plugins/bundle) ## Installation ```bash npm install @freesewing/plugin-grainline ``` ## Usage Like all [build-time plugins](/guides/plugins/types-of-plugins#build-time-plugins), you load them by passing them to the [freesewing.Design](/reference/api/design) super-constructor: ```js import freesewing from "@freesewing/core"; import grainline from "@freesewing/plugin-grainline"; import config from "../config"; const Pattern = new freesewing.Design(config, grainline); ``` Now you can use [the grainline macro](/reference/api/macros/grainline) in your parts.