Check out Wooden rudder 3D model on CGTrader for $3. High-quality mesh by VeniaminAndrei: 35324 polys, 105972 vertices.
F3D (Autodesk Fusion 360, filesize: 516 KB), OBJ (OBJ, filesize: 3.75 MB), FBX (Autodesk FBX, filesize: 1.65 MB), STL (Stereolithography, filesize: 13.3 MB), SKP (Sketchup, filesize: 5.67 MB)