Check out Cylindrical gear - paired - z77 m1 D79 d20 3D print model 3D model on CGTrader for $3. High-quality mesh by RTT-Studio. 3D Print Ready.
SLDPRT (SolidWorks, filesize: 827 KB), FBX (Autodesk FBX, filesize: 9.71 MB), STP (STEP, filesize: 3.11 MB), IGE (IGES, filesize: 4.39 MB), STL (Stereolithography, filesize: 55.9 MB)