Need help with CRS A465 Modelling

Can anyone find the dxf file for this robot arm? The following link is a reference:
http://people.mech.kuleuven.be/~bruyninc/hb46/blender/chapter_robotmodelling.html

http://people.mech.kuleuven.be/~bruyninc/hb46/blender/chapter_robotmodelling.html
includes link to http://people.mech.kuleuven.be/~bruyninc/hb46/blender/crsa465.wrl which is the model they imported.