That's very true. But for smaller parts or cosmetic parts 3D printers can already be used to print replacements, as evidenced in a recent HN post[1]. [1] http:

That's very true. But for smaller parts or cosmetic parts 3D printers can already be used to print replacements, as evidenced in a recent HN post[1]. [1] http://news.ycombinator.com/item?id=4589528 http://news.ycombinator.com/item?id=4589528