The making of the shot glass

Making a shot glass and toasting the success of your 3D printer has become a tradition of sorts with the RepRap group to which I belong, that is, if having been done twice before; once in New Zealand with Vik Olliver's Zaphod some months ago followed a few months later by Ed Sells and Adrian Bowyer's A.R.N.I.E. could be said to constitute a tradition.