Future Of Homebuilding: “Mighty Buildings” 3D-Printed Prefab ADU’s (2020)

From an Oakland warehouse, startup company Mighty Buildings constructs prefab homes with their Big-G Printer, a 20-foot-tall 3D printer that, at speeds of 120 millimeters per second, can print a 350-square-foot studio in less than 24 hours. The homes are made of Light Stone, a thermoset composite material that hardens when exposed to UV light.

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Instead of 3D printing sections of each home for on-site assembly, the machine maximizes cost savings by printing the home’s entire structural shell—thus automating the building process by up to 80% with cost savings of 20% to 30% compared to traditional prefab methods.

Exterior Details:

  • Long lasting PVC roofing
  • Andersen windows & doors
  • Classic fiber cement siding enhancements

Bathroom and Kitchen Details:

  • Designer selected plumbing fixtures
  • Designer selected ceramic tile in shower
  • Elegant mirrored medicine cabinet
  • Cooktop, oven, refrigerator, dishwasher, microwave, washer & dryer
  • Custom cabinetry
  • Quartz countertops
  • Vanity in bathroom

Energy Efficiency Features:

  • Water efficient plumbing fixtures
  • Smoke and carbon monoxide detector
  • Programmable thermostat
  • Mini split HVAC system
  • Tankless water heater
  • LED lighting

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