From http://blog.reprap.org/ whose entire content is under GFDL.

Adrian Bowyer (left) and Vik Olliver(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.

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