Fairy Mini hoohaa rattler adapter

You know these small "massage" wands like Fairy Mini. Well if the missus wants to use the changeable tips for her wand you're going to need this adapter.

This goes on top of the wand and the interchangeable tip goes on this - simple.
The inner hole is about 55mm deep and 45mm wide. The thickness of the outer shell is 30mm.

Can't recommend any specific infill setting but the targrt is to get it as stiff as possible so it doesn't start to dampen vibrations.