HFSS 3D Layout Design Settings
From the HFSS 3D menu, select Design Settings to display the Design Settings window for the active design. The Design Settings window has six tabs: DC Extrapolation, Nexxim Options, Export S Parameters, Lossy Dielectrics, HFSS Meshing Method, and HFSS Adaptive Mesh.

Selecting [Active Design Folder] in the Project Tree also displays Design Settings in Properties window under EM Design tab.
