<p>A computer automated manufacturing process and system (CAMPS) is disclosed which includes a computer system (12) comprising a computer aided design computer (14) and a machine controller (16) which receives a file of co-ordinate information (18). An article (10) is designed by means of the computer aided design computer (14) and a data file (18) of three-dimensional co-ordinate information is compiled. The co-ordinate information is input to the machine controller (16) which controls servos (20) and (22) in a polar co-ordinate system. The servos (20) and (22) further control the position of a working head (24) and a working head (26) so that mass particles are ejected to arrive at predetermined co-ordinate points in the co-ordinate system to form an article (34). An origination seed (32) is fixed at an origin of the co-ordinate system and the article (34) is built up around the origination seed (32). Other co-ordinate systems and apparatus for locating the mass particles at the co-ordinates of a three-dimensional article are disclosed so that the article may be built up in a number of co-ordinate systems, and controlled environments.</p>
