I tried to create a ship similar to Oceanbird is a large wind-powered vessel.
Type Wind-powered vessel, roll-on/roll-off
Displacement 32 000 tons
Length 200 m (660 ft)
Beam 40 m (130 ft)
Height 45 m (148 ft) – 105 m (344 ft)
Propulsion Wind-assisted propulsion, five sails
Speed 10 knots
Capacity 7,000 cars
Modeled correctly scaled, enough detail for close-up renders.
Closed model, no holes or lost polygons. No double sided materials.