PancakeBot 3D prints (somewhat) edible griddlecakes from your own design, or from a library of present options like the Eiffel Tower or a T. rex.
The main drawback seems to be that the batter must be made deliberately thin like crepe batter so it won't clog the printer line. I'm just waiting for the Juicero-type bros to come up with single-use DRMed buckwheat pods.
Anyway, if you want to learn more about what must be the silliest gadget of recent vintage, here's a link.
• Do You Need a Pancakebot? — You Can Do This! (YouTube / Eater)