Model created in Zbrush. It is watertight and ready for printing/milling.
Model inlcudes a highpoly OBJ (around 3.5 Mil polys) and a decimated, optimized STL (1 Mil polys).
Nominal size (although easily adjustable in any 3D software) is: 65 mm tall / 81 mm wide / 5.3 mm deep