Tamper/Doser for Espresso Coffee Machine

I designed this tamper/doser tool for Espresso Coffee Machine, because the original one is broken, and i need a tool like that.
The advantage of this tool is that there are 2 tool in 1 : Tamper & Doser.

I've searched a lot in Thingiverse, but i've not found a good design for 2 in 1 tamper & doser, so i designed it entirely new.

It is designed based on Saeco Espresso Machine, the base of the tamper is 52mm in diameter. The scoop has 23mm radius and is a semi-sphere.
The volume of the sco