Use custom post types names as templates in WordPress

cpt_custom.php

<?php 

/**
 * 
 * @link Blog post info and description
 */


function post_type_templates($template) {

        /** access gobal */
        global $post;

        /** get the post type */
        $post_type = get_post_type($post->ID);

        /** if post type archive template name is post_type */
        if (is_post_type_archive()) {

            /** check for the template else use default */
            $located = locate_template(array($post_type.'.php'));            
            if(!empty($located))
                $template = get_query_template($post_type);

        }

        return $template;

    }
    
    add_action('template_include', 'post_type_templates');

?>