wp-content/themes/twentytwentyfour/patterns/template-archive-portfolio.php

<?php
/**
 * Title: Portfolio archive template
 * Slug: twentytwentyfour/template-archive-portfolio
 * Template Types: archive
 * Viewport width: 1400
 * Inserter: no
 */
?>

<!-- wp:template-part {"slug":"header","area":"header","tagName":"header"} /-->

<!-- wp:group {"tagName":"main","align":"full","layout":{"type":"constrained"}} -->
<main class="wp-block-group alignfull">

	<!-- wp:query-title {"type":"archive","align":"wide","style":{"typography":{"lineHeight":"1"},"spacing":{"padding":{"top":"var:preset|spacing|50"}}}} /-->

	<!-- wp:pattern {"slug":"twentytwentyfour/posts-images-only-3-col"} /-->

</main>
<!-- /wp:group -->

<!-- wp:template-part {"slug":"footer","area":"footer","tagName":"footer"} /-->