Exterior, Flat, Metal, Metal, House, Prefab, Wood, and Glass This custom residence for actor Will Arnett was inspired by LivingHomes' RK2 model. About a third was built on-site, including a glass staircase tower and a guest wing (featuring a recording booth where Will can ply his trademark baritone).  Best Exterior Metal Wood House Glass Metal Photos from Here Are the Modern Prefab Designs That Amazon’s Investing In