@activelylearn/material-ui/packages/material-ui-icons/src/PlusOne.js

Material-UI's workspace package

import React from 'react';
import createSvgIcon from './utils/createSvgIcon';

export default createSvgIcon(
  <g><path d="M10 8H8v4H4v2h4v4h2v-4h4v-2h-4zm4.5-1.92V7.9l2.5-.5V18h2V5z" /></g>
, 'PlusOne');