Scouter Hugh McVeigh in Germnantown Tennessee has designed a handsome, functional variation called the Kamp Kitchen. He first built them with his sons (both Eagle Scouts) and has built around 100 to date including some for the 1993 National Jamboree. See more pictures and read about the project at Chuck Box Kitchen.
In the never ending search for the perfect chuck box here’s another interesting chuck box design by lupinsea found at the Expedition Portal. Looks like a lightweight, compact and functional idea (there’s a video below showing how it is set up. I could not find any plans for this box, so you’d meed to reverse engineer if you’d like to build one.