A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, footer } from '@wordpress/icons';
<Icon icon={footer} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path fill-rule="evenodd" d="M18 5.5h-8v8h8.5V6a.5.5 0 00-.5-.5zm-9.5 8h-3V6a.5.5 0 01.5-.5h2.5v8zM6 4h12a2 2 0 012 2v12a2 2 0 01-2 2H6a2 2 0 01-2-2V6a2 2 0 012-2z"></path></svg>
footer – WordPress Icon Library