Laser Scanner 3D model (Polygon mesh 3D model) is available on CGTrader for $25. Original author: omegavfxltd. Specs: 100000 polys, 115000 verts.
BLEND (Blender, filesize: 154 MB), OBJ (OBJ, filesize: 17 MB), FBX (Autodesk FBX, filesize: 13.8 MB), STL (Stereolithography, filesize: 11 MB)