Looking for Square axial fan? Get this 3D model from jaketnet2012 via CGTrader for $10.
SLDPRT (SolidWorks, filesize: 62.2 MB), JPG (JPG, filesize: 52.1 MB), PNG (PNG, filesize: 52.1 MB), MAX (Autodesk 3ds Max, filesize: 52.1 MB), FBX (Autodesk FBX, filesize: 218 KB)