Computing systems and methods of visually creating and visually analyzing proposed insurance or reinsurance constructs by providing an overall insurance or reinsurance structure creation and analysis system that includes an insurance/reinsurance visual design structure interface displayed to a user on a design construction user interface display presented to a user via a display of a user computing device having a user input device and the display having a plurality of coverage layer types visually illustrated on the design construction user interface display outside of a graphical diagram. The graphic diagram depicts at least one rectangular-shaped coverage structure layer that creates a proposed insurance or reinsurance construct and corresponds to one of the plurality of coverage layer types visually illustrated on the design construction user interface display outside of the graphical diagram.