This 3D model was originally created with Sketchup 13 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 The Cerberus of myth had 3 heads, and was the guardian to the underworld, this ship can separate into 3 ships and has 3 bridges so, 3 heads. and i guess it can guard you against entering the underworld :P