Adding Woocommerce products with Gravity forms and Custom post types add-on
Author shows how to create and edit multiple option order form for WP using the WooCommerce GravityForms Add On.
This combination makes it possible to produce various types of order forms.
More often than rare… There is a need to add custom functionality to your ecommmerce system and combination of WordPress + Woocommmerce excels in such tasks
http://yoast.com/gravity-forms-custom-post-types/