Add geometry elements to the subassembly.
To add geometry elements, drag and drop geometry elements from the Tool Box onto the Flowchart.
Note: If an element has not had its properties defined, 
appears on the element in the flowchart. Elements are not drawn in the Preview panel if either they have properties that have not been defined, or if they are disconnected from the origin.
appears on the element in the flowchart. Elements are not drawn in the Preview panel if either they have properties that have not been defined, or if they are disconnected from the origin.