Wheel.
Made with Blender 2.79.
Quads only - wheel : 272 face - teeth : 1 tooth 38 faces x 20.Render - wheel : submod3 - teeth : submod2 + array mod
FBX and OBJ file format have only basic materials applied and will not render like the preview images.
BLEND (Blender, filesize: 527 KB), OBJ (OBJ, filesize: 2.79 MB), FBX (Autodesk FBX, filesize: 930 KB)