Download Blueprints (may 2006)
I picked up some drawings and blueprints you can use as a background as aid of your 3D modeling tasks.
All blueprints in the zip file below contains images in perspective front view, side view and top view, so you can set the box containing your model and then apply as a texture in each side.
This procedure is widely used in 3D modeling with all 3d software; so, whether you are using Autodesk Maya, Softimage XSI, 3D Studio Max, Cinema 4D, LightWave 3D or other 3D modeling softwares, you can use this method to increase your productivity.
NOTE: Please remember that these bluprints were scanned by models, magazines or other printed sources. Any copyright of its rightful owner.

Neon Genesis Evangelion
Download Blueprints - Evangelion - (.zip, 556Kb)
Download Reference - Evangelion - (.zip, 470Kb)