Harpy 1 UAV V03 (Polygon mesh 3D model) is available on CGTrader for $59. Original author: Dreamscape. Specs: 17382 polys, 9701 verts.
STL (Stereolithography, filesize: 273 KB), OBJ (OBJ, filesize: 307 KB), OTHER (Other, filesize: 593 KB), DWG (AutoCAD, filesize: 335 KB), TEXTURES (Textures, filesize: 864 KB), LWO (Lightwave, filesize: 242 KB), DXF (DXF, filesize: 319 KB), MAX (Autodesk 3ds Max, filesize: 159 KB), SKP (Sketchup, filesize: 1.22 MB), 3DS (3D Studio, filesize: 116 KB), 3DM (Rhinoceros 3D, filesize: 244 KB), W3D (Shockwave 3D, filesize: 430 KB)