Man drops $500K on machine to 3D print entire house, concrete walls built to last 300 years with hollow core for easy wiring

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This guy spent $500,000 for this machine to 3D print his entire house. It prints the walls and layers using concrete, which is durable enough to last up to 300 years. The hollow walls allow for easier installation of plumbing and wiring. Steel reinforcements and spray foam add strength, soundproofing and insulation. Because the machine does most of the work, minimal labor is needed, saving up to 45% in costs, and it’s also much faster to build. You could move in within a few days to three weeks depending on the House size.