Long before today’s high-tech 3D printers, engineers in the 1930s were already experimenting with techniques to “print” concrete houses—by layering material in ways surprisingly similar to modern methods. What seemed like science fiction back then was a groundbreaking attempt to revolutionize affordable housing. The dream of automated construction isn’t as new as we think—it’s just finally catching up to its early vision! #history #realestate #reels #vintage #trending | Inside History