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

<?php
/**
 * Title: Portfolio home template with post featured images
 * Slug: twentytwentyfour/template-home-portfolio
 * Template Types: front-page, home
 * Viewport width: 1400
 * Inserter: no
 */
?>

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

<!-- wp:group {"style":{"spacing":{"padding":{"top":"0","bottom":"0","left":"0","right":"0"},"blockGap":"0","margin":{"top":"0","bottom":"0"}}},"layout":{"type":"default"},"tagName":"main"} -->
<main class="wp-block-group" style="margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0">

	<!-- wp:pattern {"slug":"twentytwentyfour/hidden-portfolio-hero"} /-->
	<!-- wp:pattern {"slug":"twentytwentyfour/posts-images-only-offset-4-col"} /-->

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

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