conceptual trade show booth architecture 20x30 footprint minimal massing blocks emphasis on circulation and pause architectural discipline soft light neutral grayscale no product display no ornament no color or material wall height 12 feet reserve a closed in space 50 to 80 square feet a single main entrance 10 to 12 feet wide on one 30 wall one secondary entrance as an exit 8 feet wide use arches for entrances mainly closed to the outside entry only hints at what is inside what is inside is a showstopper kitchen with meeting areas that feel like a speakeasy
