Habib Dasher, director of UMaine's Advanced Structures & Composite Center, speaks at the unveiling of the world's largest 3D printer, Tuesday, April 23, 2024, at the University of Maine, in Orono, Maine. (AP Photo/Robert F. Bukaty)
The world's largest 3D printer is seen Tuesday, April 23, 2024, at the University of Maine, in Orono, Maine. (AP Photo/Robert F. Bukaty)
The world's largest 3D printer is seen Tuesday, April 23, 2024, at the University of Maine, in Orono, Maine. (AP Photo/Robert F. Bukaty)
The inside of the University of Maine's first 3D printed home is visible on Oct. 12, 2023, in Orono, Maine. The printer that created the house can cut construction time and labor. An even larger printer unveiled on Tuesday, April 23, 2024, may one day create entire neighborhoods. (AP Photo/Kevin Bennett)
A cross section of an exterior wall of a house is being printed on a 3D printer at the University of Maine's Advanced Structures & Composite Center on Oct. 12, 2023, in Orono, Maine. An even larger printer unveiled on Tuesday, April 23, 2024, may one day create entire neighborhoods. (AP Photo/Kevin Bennett)
A bed sits inside the University of Maine's first 3D printed home on Oct. 12, 2023, in Orono, Maine. The printer that created the house can cut construction time and labor. An even larger printer unveiled on Tuesday, April 23, 2024, may one day create entire neighborhoods. (AP Photo/Kevin Bennett)
The University of Maine's first 3D printed home sits on Oct. 12, 2023, in Orono, Maine. The printer that created the house can cut construction time and labor. An even larger printer unveiled on Tuesday, April 23, 2024, may one day create entire neighborhoods. (AP Photo/Kevin Bennett)
The BioHome3D is seen Tuesday, April 23, 2024, at the University of Maine, in Orono, Maine. The 600-square-foot single-family home was made by UMaine's original 3D printer in 2019. (AP Photo/Robert F. Bukaty)