RepRap universal constructor achieves self-replication

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The RepRap universal constructor made a successful copy of itself on May 29, 2008.
Adrian (left) and Vik (right) with a parent RepRap machine, made on a conventional rapid prototyper, and the first complete working child RepRap machine, made by the RepRap on the left. The child machine made its first successful grandchild part at 14:00 hours UTC on 29 May 2008 at Bath University in the UK, a few minutes after it was assembled.
Link (Thanks, Michael Nielsen!)