The Pattern.use() method will load a FreeSewing plugin. Plugins are a way to extend a pattern’s functionality. For more details, refer to the plugin guide.

This method is chainable as it returns the Pattern object

Pattern.use() signature

Pattern pattern.use(object plugin)
// or
Pattern pattern.use(object plugin, object plugin_data)

See the plugin guide for details on how to structure you plugin object.

Pattern.use() example

import { Aaron } from "@freesewing/aaron"
import { pluginTheme } from "@freesewing/plugin-theme"

// Load some public test measurements from the FreeSewing backend
const measurements = (
  await (
    await fetch("")

const pattern = new Aaron({ measurements }).use(pluginTheme)

const svg = pattern.draft().render()