In Georgetown, Texas, a groundbreaking community featuring nearly a hundred 3D-printed homes is nearing completion after two years of construction. This innovative project, utilizing a massive 45-foot wide, 4.75-ton 3D printer known as Vulcan, has been spearheaded by ICON and Lennar as part of a joint venture. Launched in November 2022, the project aims to complete 100 homes by the end of the summer, with more than a quarter already sold to eager homeowners.
The Vulcan 3D printer combines concrete powder, water, sand, and other materials to construct single-story homes featuring three to four bedrooms. These homes, which take about three weeks to print, boast resilient, sustainable walls resembling corduroy patterns, capable of withstanding extreme weather conditions. Despite the innovative construction, traditional methods are still employed for the foundations and metal roofs.
The design of these contemporary ranch-style homes was provided by the architectural firm BIG-Bjarke Ingels Group. According to ICON’s senior project manager, Conner Jenkins, the construction process has been streamlined significantly, reducing the need from five building crews to just one, alongside the robotic printer. However, the thick walls pose a challenge for WiFi signals, requiring residents to install mesh internet routers throughout their homes.
ICON’s ambitions extend beyond terrestrial construction. NASA has expressed interest in utilizing this 3D printing technology for building structures on the moon as part of its Artemis Moon exploration program, slated to launch its first crew in September 2025. This potential lunar application underscores the technology’s versatility and futuristic potential.
As the community nears completion, the homes, priced between $450,000 and $600,000, are becoming a testament to the blend of aesthetic appeal and environmental sustainability. This development not only provides a solution to the ongoing housing shortage but also represents a significant innovation in construction technology, promising to shape future building practices.