A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, stack } from '@wordpress/icons';
<Icon icon={stack} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M17.5 4v5a2 2 0 0 1-2 2h-7a2 2 0 0 1-2-2V4H8v5a.5.5 0 0 0 .5.5h7A.5.5 0 0 0 16 9V4h1.5Zm0 16v-5a2 2 0 0 0-2-2h-7a2 2 0 0 0-2 2v5H8v-5a.5.5 0 0 1 .5-.5h7a.5.5 0 0 1 .5.5v5h1.5Z"></path></svg>
stack – WordPress Icon Library