Sopwith Camel (Polygon mesh 3D model) is available on CGTrader for $89. Original author: Dreamscape. Specs: 9695 polys, 5232 verts.
STL (Stereolithography, filesize: 152 KB), OBJ (OBJ, filesize: 358 KB), LWO (Lightwave, filesize: 85.1 KB), MAX (Autodesk 3ds Max, filesize: 91.9 KB), DXF (DXF, filesize: 189 KB), DWG (AutoCAD, filesize: 181 KB), 3DS (3D Studio, filesize: 113 KB), TEXTURES (Textures, filesize: 1.55 MB), 3DM (Rhinoceros 3D, filesize: 157 KB), OTHER (Other, filesize: 402 KB)