For my space station like rooms i think a verry modular aproach will be the best.
Need:
Floor1x1
Floor2x2
Floor3x3
Ceiling1x1
Ceiling2x2
Ceiling3x3
Wall
Wall with door opening
Door
WallSwitch
FloorSwitch
Indicator (open doors)
Picture (hints for switch puzzels)
Want:
Desk
Chairs
Lights
Terminals
Table