3D CAD
From BAWiki
Bare hull
http://wiki.baw.de/en/images/7/74/M2014B_rudders.igs
Duct
Propeller
Propeller shaft
Horizontal plate
Hull with horizontal plate
Appended hull
Bare hull
http://wiki.baw.de/en/images/7/74/M2014B_rudders.igs
Duct
Propeller
Propeller shaft
Horizontal plate
Hull with horizontal plate
Appended hull