$39 Factory production line 3D model by Todd223. Available on CGTrader. Check it out on CGHub.
OBJ (OBJ, filesize: 53.5 MB), FBX (Autodesk FBX, filesize: 61.9 MB), SKP (Sketchup, filesize: 285 MB), BLEND (Blender, filesize: 39.7 MB), JPG (JPG, filesize: 127 MB), PNG (PNG, filesize: 39.7 MB), MAX (Autodesk 3ds Max, filesize: 87.2 MB)