History Facts & Stories on Instagram: "In 1939, inventor William E. Urschel created the world’s first 3 D printed building behind a small warehouse in Valparaiso, Indiana. The experimental structure was produced using a custom built mechanical system that continuously extruded layers of concrete to form walls directly on site, reducing the need for traditional formwork and manual labor. The following year he would file a series of patents for a Wall Building Machine, describing a method for auto

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Pandoraa Tech on Instagram: "In 1939, inventor William E. Urschel built what’s considered the world’s first 3D-printed structure—right behind a small warehouse in Valparaiso, Indiana. A year later, he filed patents for a “Wall Building Machine,” decades before modern 3D printing became reality. The future was being built long before we noticed. Credits: © Time Capsule Tales (X) Hashtags: #TechnologyHistory #3DPrinting #Robotics #Engineering #Innovation #FutureTech #Inventors #Architecture #Const