Model created in Zbrush. It is watertight and ready for printing/milling. Each model is provided as a triangulated STL and OBJ.
Default size (although easily adjustable in any 3D software) is:Width: 5.16 cmHeight: 7.54 cmDepth: 3.63 cm
STL (Stereolithography, filesize: 25.5 MB), OBJ (OBJ, filesize: 20.4 MB), ZTL (Zbrush, filesize: 8 MB), SKP (Sketchup, filesize: 117 MB), DWG (AutoCAD, filesize: 49 MB)