CAD Models

A Japanese reconstruction of the Yen Su type:
 

Mr. Ambrose's version of the Lanchester type:
 

A Japanese student's work: Well done, Nobuyuki Umetani! (found at www.design.t.u-tokyo.ac.jp/lectures/creative_design_lab/2004/t40172.html)

CAD drawing
 The interesting thing on this work is that a
working model was generated by a
"rapid prototyping" process, i.e.built
fully automatically by a laser machine
from liquid resin.
 Rapid Prototype