(Warning, comic contains an adult term)
xkcd: 3D Printer >:-D
In related news:
I hope these two will not be responsible for the aforementioned :-X
Glad you liked the comic.
I remember reading a while back about the RepRap project that has a goal of self-replicating machines, and it can already print many of its own parts. So that comment from one of the boys in that article that he’d like to print another 3D printer isn’t far from the mark.