Default Size of model in mm: 184x95x74 (you can scale it up or down).
Model ready for visualization, CNC production and 3dprint.

The files packed in ZIP:

for render.
3ds Max 2013 + V-Ray 3,6  max scene,   shk.obj
30924 quad  poly
31171 vert
_______________

for CNC
*.obj
*.stl (top)
*.stl (bottom)
*.max
916990 poly
554516 vert

for print ((one shell) netfabb tested)
*.obj (top)
*.obj (bottom)
*.stl (top)
*.stl (bottom)
916990 poly
554516 vert