Automatic flip manual assembly line 3D model is available on CGTrader for $20. Original author: jaketnet2012.
MAT (mat, filesize: 70.8 MB), PNG (PNG, filesize: 70.8 MB), JPG (JPG, filesize: 70.8 MB), MAX (Autodesk 3ds Max, filesize: 70.8 MB), SLDPRT (SolidWorks, filesize: 70.8 MB), FBX (Autodesk FBX, filesize: 191 MB)