Undersea Lab

cut a tube in halve and then size it to the appropriate size, add a bent pipe to the end of the halve tube,
change the angle of the pipe until it matches the one above,
Propellers

add a propeller with however many blades you want
Propeler

add a cylinder and sg revolver in the formation you see above change the sg until it connects to the pipe
Finish Propeller

add a small cylinder in the center of the propeller. connect that to another larger cylinder which connects to a multipoint cylinder which connects to the aforementioned cylinder
Add Body

make a large tube and connect a paraboloid
Symmetry

make a second wing on the other side and add shelves by adding a small box into the wall of the cylinder add any shapes you want on top
Artifacts

add shelves by adding a small box into the wall of the cylinder add any shapes you want on top
Color

color all the shape whatever color you want