The "Wind Sprite" Ship Model is a common trinket that can be used to decorate your Raider Den. Finding and extracting with this model also provides bonus Merits, which help you progress along the Miniature Voyages reward track during the Last Resort event.
You can obtain the "Wind Sprite" Ship Model by finding it as a loose item on furniture and inside residential containers. It commonly appears in the Hotel area on the Riven Tides map, and can also be found on other maps like the Buried City and Blue Gate.