Here is Bre, current multimillionaire from MakerBot Industires explaining in a youtube video how to make RepRap (RepStrap) printer ... year is 2007 ...
Well, he made it. Kudos to you Mr. Pettis. My favorite project he participated in was of a near space DIY balloon with camera. http://makezine.com/2007/04/14/ahab-story-pdf-cast/
This is part to of series in making on 3d printing history, which will be updated when interesting material come up. If you have something interesting from the "old days" let me know.