This reminded me of Cory Doctorow's great story "Themepunks", which includes self-replicating 3-D printers. You can read it for free on Salon.com, but the link

This reminded me of Cory Doctorow's great story "Themepunks", which includes self-replicating 3-D printers. You can read it for free on Salon.com, but the links between the chapters are a bit broken, so here they are if you are interested: http://dir.salon.com/story/tech/feature/2005/09/12/themepunks_1/index.html http://dir.salon.com/story/tech/feature/2005/09/12/themepunk... http://dir.salon.com/story/tech/feature/2005/09/19/themepunks_2/index.html http://dir.salon.com/story/tech/feature/2005/09/19/themepunk... http://dir.salon.com/story/tech/feature/2005/09/26/themepunks_3/index.html http://dir.salon.com/story/tech/feature/2005/09/26/themepunk... http://dir.salon.com/story/tech/feature/2005/10/03/themepunks_4/index.html http://dir.salon.com/story/tech/feature/2005/10/03/themepunk... http://dir.salon.com/story/tech/feature/2005/10/10/themepunks_5/index.html http://dir.salon.com/story/tech/feature/2005/10/10/themepunk... http://dir.salon.com/story/tech/feature/2005/10/17/themepunks_6/index.html http://dir.salon.com/story/tech/feature/2005/10/17/themepunk... http://dir.salon.com/story/tech/feature/2005/10/24/themepunks_7/index.html http://dir.salon.com/story/tech/feature/2005/10/24/themepunk... http://dir.salon.com/story/tech/feature/2005/10/31/themepunks_8/index.html http://dir.salon.com/story/tech/feature/2005/10/31/themepunk... http://dir.salon.com/story/tech/feature/2005/11/07/themepunks_9/index.html http://dir.salon.com/story/tech/feature/2005/11/07/themepunk... http://dir.salon.com/story/tech/feature/2005/11/14/themepunks_10/index.html http://dir.salon.com/story/tech/feature/2005/11/14/themepunk...