The file 'Teeth For A Venus Box ;-) 3D Printer Model' is (stl) file type, size is 2.3MB.
Small improvements this great designs. http://www.thingiverse.com/thing:1559232
Teeth ;-)
and video: https://youtu.be/Zmaw0JyGWKM
It is not easy to print. The teeth must be sharp!