Barnard, L.J.; Booysen, G.J.; De Beer, D.J.
(Interim : Interdisciplinary Journal, Vol 4, Issue 1: Central University of Technology, Free State, Bloemfontein, 2005)
Atkinson distinguishes between four types of prototypes, categorised through its end-use: •Design or aesthetic prototypes
•Geometrical prototypes
•Functional prototypes
•Technological prototypes
Shigley and Mitchell ...