It is watertight and ready for printing/milling. Although there are some slight undercuts, it was created with molding and casting in mind. Nominal size (although easily adjustable in any 3D software) is:
Tall: 50mm
Wide: 42mm
Deep: 12.48mm
3.7Mil OBJ quad highopoly mesh
1 Mil STL triangulated mesh
If you need any more information about the product, please contact me, thanks.