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.
Low-Poly Chainsaw with Animated Chain - Blender Time-Lapse https://www.youtube.com/watch?v=u087XxxAIR4&
Low-Poly Chainsaw with Animated Chain - in Blender https://www.youtube.com/watch?v=35lJ0C_x_FQ&
BLEND (Blender, filesize: 20.7 MB), BLEND (Blender, filesize: 20.7 MB), OBJ (OBJ, filesize: 491 KB), FBX (Autodesk FBX, filesize: 5.79 MB), GLTF (glTF, filesize: 22.8 MB), TEXTURES (Textures, filesize: 5.24 MB), DAE (Collada, filesize: 2.06 MB), USDZ (USDZ, filesize: 4.1 MB)