This design is a remix of the model available at https://www.thingiverse.com/thing:5095604.
I experimented with various models, printing them in different orientations, but each one broke within a few days. So, I created this design, which has proven to be quite durable so far.
Inner_part.stl | 234.8KB | |
Outer_part.stl | 258.5KB |