China's New Invention Could Replace Construction Forever | The $4,800 3D-Printed House

China's New Invention Could Replace Construction Forever | The $4,800 3D-Printed House China's $4,800 3D printed houses promised 10 homes in 24 hours — so why can't you buy one? It revisits Winsun's 32-meter gantry printer in Qingpu, Shanghai on April 1, 2014, how it extruded cement, glass fiber and recycled waste into 200 sqm ridged walls, and why roofs, windows and wiring were still trucked in and finished by hand. It breaks down the real savings on labor, waste and time and where the tech actually works now, from quake shelters to curved villas.