The model itself is built as accurate as possible, using drawings, photos and real measurements - mostly from the original handbooks. Unfortunately all publicly available drawings is rather inaccurate which makes the process very time consuming - detailed studies is required to determine the correct shapes. Having done this continuously has however led to a model with an error marginal that should only be a couple of centimeters. Currently I'm finishing off the hull, then it's time for texturing and also details such as interiors, cockpit and turrets. If anyone wonder, polygon count thus far is only around 2000 tris, unoptimized, reason beeing I'm building directly in vertices and polys.