A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, navigationOverlay } from '@wordpress/icons';
<Icon icon={navigationOverlay} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M18.5 10a1.5 1.5 0 0 1 1.5 1.5v7a1.5 1.5 0 0 1-1.5 1.5h-7a1.5 1.5 0 0 1-1.5-1.5v-7a1.5 1.5 0 0 1 1.5-1.5zM16 4a2 2 0 0 1 2 2v2h-1.5V6a.5.5 0 0 0-.5-.5H6a.5.5 0 0 0-.5.5v3H8v1.5H5.5V16a.5.5 0 0 0 .5.5h2V18H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2z"></path></svg>
navigationOverlay – WordPress Icon Library