vintage patrol boat 3d model

Small military patrol boat, vintage style, simple and functional design, similar to early 20th century tugboat or patrol vessel. Rounded hull with smooth sides, light gray painted body with darker gray deck. Number "9" painted on the side of the hull. Front deck with a small mounted cannon turret, simple cylindrical base. Central cabin (bridge) is compact and boxy with small square windows. Behind the cabin, a short cylindrical smokestack. Rear section features a triangular support crane structure made of metal beams, slightly irregular and not perfectly symmetrical. Include a small lifeboat mounted on the side near the middle of the ship. Main mast is tall and slightly thin, with horizontal crossbars and visible cables (ropes). Structure should feel slightly worn and realistic, not perfectly clean or symmetrical. Low to medium detail, optimized for 3D printing, slightly exaggerated thickness on thin parts for stability. Clean topology, solid mesh, no holes. Style: realistic minia