Here is the low-poly version of my chainsaw with animated chain. http://wp.me/P3dmoi-1rM
I modeled,textured and rigged this tool in Blender 26.01.2014.
BLEND (Blender, filesize: 16.1 MB), BLEND (Blender, filesize: 16.1 MB), OBJ (OBJ, filesize: 280 KB), FBX (Autodesk FBX, filesize: 399 KB), GLTF (glTF, filesize: 22.8 MB), DAE (Collada, filesize: 590 KB), DXF (DXF, filesize: 340 KB), 3DS (3D Studio, filesize: 213 KB), USDZ (USDZ, filesize: 4.1 MB)