Add element: Click or drag the icon element in the Design Control panel section.
Edit element: Double-click on the element. The name of the element can be changed directly on the model, the other properties are available on the Details tab at the Control Panel.
Move element: Drag an element to the relevant position on the model.
Delete element: Double-click on the element. Click the Delete button on the Details tab at the Control Panel.
Link elements: Double-click on the element. Elements that can not be a receiver of connection will be semi-transparent. By clicking on other elements a link will be created from the active element to it.
Unlink elements: Double-click on the element. All links of the active element will be semi-transparent. Click on the link for removal.
Deactivate element: Click anywhere on the model.