Cave Robot 3D model is available on CGTrader for $10. Original author: abdullahkbas. Specs: 31000 polys, 15400 verts.
BLEND (Blender, filesize: 4.87 MB), OBJ (OBJ, filesize: 2.81 MB), FBX (Autodesk FBX, filesize: 3.02 MB), STL (Stereolithography, filesize: 1.52 MB), TEXTURES (Textures, filesize: 12.2 MB)