Extrutech's 8-in. thick panel is a "stay-in-place" form for concrete poured structural walls. Panels are 8-in. and 6-in. thick, by 24-in. wide, with cut-to-the-inch lengths up to 20 ft. long.

The latest 3D printing application? Forming concrete. That’s according to a team at ETH Zurich who claims that construction with foam forms cuts concrete usage up to 70%. It also offers improved ...