Download this finger and hand simulator and print it on a 3D printer. Or use a milling machine.
Included files are step (for Fusion 360), stl (standard format for 3D printing), Fbx and obj for other 3D programs including 3Ds MAX, Blender, 3D Coat and Zbrush.
STL (Stereolithography, filesize: 1.76 MB), OBJ (OBJ, filesize: 2.83 MB), FBX (Autodesk FBX, filesize: 2.89 MB), STP (STEP, filesize: 1.06 MB)