After reading about Design Thinking and watching the videos, the process includes conceptualizing many ideas in a short period of time, with little or no criticism in the early stages.
When we were kids drawing in the sand, there was no self-criticism and no over-thinking every idea. The design in the sand also is indicative of how easy it can be erased and replaced with another idea.
Software engineers also use the concept of a "sandbox" while developing software.
The design is based on the geometry of two interlocking B's.
This can be done with a photo of real sand. But for the sake of getting some input from the creative community, I thought I would present the concept first.