With many parts of the country in the throes of a housing affordability crisis, an Texas-based company says it might have part of the answer.Construction technologies firm Icon this week showed off its next generation 3D printer for homes, Vulcan II, at its warehouse in South Austin.“We have been hard at work developing the next generation of our technology and are thrilled to unveil the Vulcan II printer today and announce we will begin shipping them next month and [...]