gistfile1.aw

<?php

add_filter(
	'blocksy:woocommerce:product-card:thumbnail:ratio',
	function ($ratio) {
		// Please change this
		$my_page_id = 123;

		if (is_page($my_page_id)) {
			// Your custom ratio
			return '1/1';
		}

		return $ratio;
	}
);