$250 Bell XV15 1977 3D model by arakm98. Available on CGTrader with 2196868 polys and 1511949 vertices. Geometry: Polygon mesh. Check it out on CGHub.
STL (Stereolithography, filesize: 142 MB), OBJ (OBJ, filesize: 313 MB), FBX (Autodesk FBX, filesize: 94 MB), OTHER (Other, filesize: 2.28 GB), BLEND (Blender, filesize: 244 MB)