The grout is a medium shade of grey, and provides just the right amount of contrast between the tile and wood. The last bit about the exterior is about the bottom shelf. There's a bottom panel on the top enclosed portion, and has cutouts for the printer's data cable and air intakes. This brings us to the fundamental design of the case. The components are mounted in a custom wooden chassis, which is mounted like a large rear-opening drawer.
Power is supplied through a cord which passes through the front left leg.