“The idea of putting a square home under the earth made no sense,” William Lishman ... inventor and the eye of a sculptor, he devised a plan consisting of an underground cluster of connected ...

Free Green offers free plans for green homes. Some plans include energy consumption comparisons between building to code and building with green features. Each plan explains green features.

The plan is to launch a giant 3D printer ... uses its 3D-printing expertise on Earth, constructing luxury homes layer by layer using its system, The Vulcan. The technology lays out a mixture ...