Gyroplane Autogyro Cavalon Green 3D model is available on CGTrader for $69. Original author: HQ3DMOD. Specs: 443501 polys, 454801 verts.
OBJ (OBJ, filesize: 18.4 MB), TEXTURES (Textures, filesize: 48.3 MB), BLEND (Blender, filesize: 99.5 MB), FBX (Autodesk FBX, filesize: 46.9 MB), MAX (Autodesk 3ds Max, filesize: 133 MB)