All kind of files are avaoilable for the particular kind og mechanical joint
F3D (Autodesk Fusion 360, filesize: 1.88 MB), OBJ (OBJ, filesize: 1.38 MB), STL (Stereolithography, filesize: 1.42 MB), DXF (DXF, filesize: 1.37 MB), DWG (AutoCAD, filesize: 490 KB)