Walmart is 3D printing the future of big box stores

Walmart once famously hyped its “low price guarantee,” showcasing how the retailer’s scale helped customers save money. Now, in a push to cut its own costs, Walmart is 3D printing its stores. For the last two years, contractors working for Walmart have used 3D-printed construction at a handful of sites across the U.S. The walls for five additions to existing stores in Tennessee, Missouri, Alabama,