It would be amazing if Bambu Studio had support for the Polyfoam infill type, the only slicer today that has Polyfoam is IceSL.
Here’s a very interesting study regarding Polyfoam usecase:
“3D-printed motorcycle seats: Replicating polymer foam performance for rapid prototyping and rider comfort”
I have not found a clear description how to implement it but I found two whitepapers (linked from IceSL webpage):