I was sitting about looking at a few paltry pieces of scrap and knowing that others have cut hundreds of sheets in many different colors and I was thinking that the top and bottom of every sheet could be matched with the top and bottom of a sheet of a different color in an interlocking manner and be made into all sorts of cool stuff,
Here is just a hint to get the creative ideas flowing,
I played with that thought of some with the two halves glued back to back before arriving at the idea in the photo, and thinking of @evansd2 "s trays or boxes with those as the design element. I thought I remembered one that was scary close to the idea before covid was a word.