The basic setup you’ll need to build a plastic extruding CupCake CNC machine. from Bre Pettis
Makerbot – 3D Mechanical Prototype Synthesis
Makerbot is an open source robot that helps people make robots that make things.
Twitter Interface – @makerbot
(The Greatest fear is, that it could Replicate Itself; then you need to find new Workshops or Garages for the Baby Bots to do their stuff !)