This is a small Chalice to be printable.
The thickness are created to be a minimum 1mm. You can see the meassures in the second image.
The model are exported in meter scale, if you can not see the model in your printer software, scale the model to a bigger size.
The zip file contain the printable formats and the original .blend file. The other formats are separeted.

Specification:
Vertices: 20,224

Feel free to request help or modifications.