There are two different 4-piece versions of the 3d model is available. One is horizontally separated with solid interior as seen below:
And the other is vertically cut with empied interior as seen below. The empty space inside can be used for placing electronic circuits, motors, weights etc.
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Great offer, get Akula, Typhoon, Yasen and Kursk models now.
The hi rez one piece version is free to download below. The multi piece versions are here. <-Click
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