RepRap: Now Self Replicating

While 3D printing will remain the territory of geeks and tinkerers for quite a while to come, an impressive step was achieved with the RepRap last week: It can now print its own components. Not quite full self replication, in the sense of a second, fully assembled printer appearing end on out of a first, but an important step on the way there. I’d like to know how durable their components are.
