Yes, cheats were used to get the base on duna. The design is on the steam workshop and is called 'D.S.R.O Alpha'.
Mods used:
EVE volumetric clouds (You can get it here: / posts )
TUFX (Post processing)
Parallax 2.0 (Ground scatter)
Scatterer (Atmospheric scattering)
Planetside Exploration Technologies (Base and rover parts)
FreeIva (Moving around the rover and base)
Benjee10 suits (Suit lights)