divider.php

/**
 * Project Divider
 *Adds divider after 4 posts in genesis divider
 */
function be_project_divider() {
	global $wp_query;
	$count = $wp_query->current_post + 1;
	if( 0 == $count % 4 && $count !== $wp_query->post_count )
		echo '<div class="divider"></div>';
}
add_action( 'genesis_after_post', 'be_project_divider' );