freesewing/packages/sandy/src/index.js

import freesewing from '@freesewing/core'
import plugins from '@freesewing/plugin-bundle'
import config from '../config'
// Parts
import draftSkirt from './skirt'
import draftWaistband from './waistband'

// Create design
const Pattern = new freesewing.Design(config, plugins)

// Attach draft methods to prototype
Pattern.prototype.draftSkirt = part => draftSkirt(part)
Pattern.prototype.draftWaistband = part => draftWaistband(part)

export default Pattern