I downloaded wings3d 0.99, a cute little program that allows you to draw automatically (good for me !) a map of all the objects, right now I'm doing the coning tower. I made a jap flag for this test, look how it appears in both the map and the 3d view.
With wings3d you can select a place on the 3d model and it selects the part in the map windows : usefull to know which is which
the tutorial for wings3d I use :
http://www.davidbrinnen.com/tut_wings_3.html