Sally 4th have recently launched a range of painted sci-fi interiors. These are of a modular design, and are produced in MDF.
The floor tiles are painted light grey, the walls are white with doors and any exterior cladding in dark grey.
The range is quite large (52 products) and consists of prebuilt ‘zones’ (like those immediately above and below) or individual rooms, corridors, walls, floor tiles and doors
‘Zones’ come flat packed for easy build, and can be broken down for storage