get-template-part

// Add Shortcode
function get_template_shortcode( $atts ) {

	// Attributes
	extract( shortcode_atts(
		array(
			'slug' => '',
			'name' => '',
		), $atts )
	);

	// Code
ob_start();
get_template_part($slug, ($name==""?null:$name));
return ob_get_clean();

}
add_shortcode( 'get-template-part', 'get_template_shortcode' );