Mortar and pestle for pills

I need to crush three pills every morning and designed this pair for the job. Three fairly small pills which I do in one go.
Designed in MOI.
Made on a Robox in Robox ABS. (As you can see I've not yet mastered the art of a good surface finish).
Although I've made these in ABS I recommend using PLA as it is a harder material and, I think, more suitable for this application.
Having used this for a while I have some recommendations on how to best use it:
1. Press down hard to break the pi