Shield for adjustable kettlebell

I have adjustable kettlebells that saves a lot of space and money by combining 7 different weights into a single kettlebell.
The one of the downsides is that the edges of the kettlebell or its weights pushes uncomfortably towards your arm.

This model replaces the top weight and shields your arm from the sharp edges all the way down to the bottom plate.

The model is a single STL that after import into your slicer can be splitted into 2 objects.
In that case the "plate" will become one object and the "shield" another. (Don't move them apart!)
I printed mine with different infill and wall count. 5% infill and 2 walls for the "plate" and 3 walls with 30% infill for the "shield".

Note that the slot in the "plate" might cause shrinkage issues and bend the print upwards from the printbed.
If you have that issue, a brim that completely covers the empty slot space might help.