How to make nasal cavity 3 d model in 3D slicer which can be used for simulations?

[lassoan (Andras Lasso)]

I see, OK, then your simulation domain is the air, so you actually need to get the air segmented.

The techniques described here should work:

Need help for segment nasal cavity and turbinates

Hi! I have a sinonasal CT and I need to segment the nasal cavities and turbinates in order to get the volume of them. Could someone help me? Thanks!