very helpful information ! TAHNKYOU ! And the second parcel arrival . it is the same plastic models but still good for me have two plastic models , no problem ,. but they are both AJ-37 , How should i do in this moment . the first AJ -37 already scan the data . but is it very big different between JA and AJ ??? In the posted floor plan is JA-37 ? or AJ ?if the different is not so big , i still can use the 3-D data to modification to the JA -37 we like , but i want to know where is the different ?