It is must to assign the Common Geometry Reference resource in Data Setup. For more information about how to use the reference plane system assigned in Common Geometry Reference resources see Using Common Geometry Reference. Adding the reference plane system in a product helps in selecting the reference planes while working with the Structure Design commands. The Structure Design can be operated at the product and feature level. You can add and edit the structural objects namely plates, parametric plates, stiffeners, stiffeners on free edges, openings, slots, end cuts, members, fasteners, and flanges at the product level. You can also perform advanced copy and split by volume operations at product level. The followings sections of the action bar are available at the product level: Double-click the representation node to activate the feature level. At feature level, you can add and edit the features like openings, slots, flanges and end cuts. The followings sections of the action bar are available at the feature level: | |||||||