ICON develops 3D printer to build enclosed multi-storey structures

Texas-based ICON has unveiled Phoenix, a robotic-arm-mounted 3D printer that can create fully-enclosed, multi-storey structures from a low-carbon mixture, at SXSW.
ICON revealed the demountable crane-based 3D printer during a talk held as part of the annual SXSW festival in Austin,
Phoenix allows ICON to construct multi-storey houses with enclosed systems. It said that it is currently building a prototype outside its headquarters in Austin that will have a dome-like enclosed roof.
ICON has devel