Back in 2008 my friend and I were going to enter an instructables.com contest with a 3D printer made from an all-in-one. It was going to be the Z-corp (powder) style. Total feasible, but we ran out of time and was a lot more focused on his senior design project.
A few weeks later, we did come across this http://web.archive.org/web/20120121054050/http://homemade3dp...