I got to see several 3d printer companies as Siggraph this summer but none really impressed me that much. But there is some really hopeful research going on...
http://greensource.construction.com/blogs/thegreensource.asp?plckController=Blog&plckBlogPage=BlogViewPost&newspaperUserId=f0ebdc71-97ac-48b1-8d5b-db444f00847c&plckPostId=Blog%3af0ebdc71-97ac-48b1-8d5b-db444f00847cPost%3a4b01db19-0be8-40c2-856a-7e1535d8f71d&plckScript=blogScript&plckElementId=blogDest
Thank you for the good information!
3D print should just become cheap, fast and more easily
















