$29 DJI Matrice 350 RTK 3D model by flower-3dart. Available on CGTrader with 251545 polys and 251455 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 23.9 MB), OBJ (OBJ, filesize: 38 MB), JPG (JPG, filesize: 162 KB), BLEND (Blender, filesize: 38.6 MB), FBX (Autodesk FBX, filesize: 13.7 MB)