This model is high accuracy and high details.
Truck brake disk, original source attached
all extensions availabel with STL
Advice you to download this free model.
SKP (Sketchup, filesize: 824 KB), OBJ (OBJ, filesize: 1.01 MB), FBX (Autodesk FBX, filesize: 1.81 MB), 3DS (3D Studio, filesize: 500 KB), DAE (Collada, filesize: 1.11 MB), DWG (AutoCAD, filesize: 899 KB), F3D (Autodesk Fusion 360, filesize: 160 KB), STL (Stereolithography, filesize: 551 KB)