This entry was posted in 3D Printing challenges, Housing construction., 3D Printing for the environment., 3D Printing hobby products and design., SV3DPrinter.com Policy., What is 3D printing, and what are safety precautions for manufacturing?, What materials are used in 3D printing? and tagged 3D Printed houses in 60 days, Phoenix robotics firm delivers first 3D printed homes in less than 60 days..