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, and Arkansas have been completed in this fashion so far. It’s the country’s largest deployment of 3D-printed architecture in the commercial sector. The retailer’s scale is catalyzing the growth a...