Fine tuning with 3D roatation tool?

Hi,

I’m wondering if there is (and I feel there HAS to be) a way to fine tune movements with the 3D rotation tool. Using the mouse works to an extent, but just like nudging movements with the arrow keys, it’s sometimes impossible to get the placement I want with mouse dragging. I’m pretty new to using these tools so maybe it’s super obvious and I’m missing it?

Thanks!