The Space Room you see is a flattened sphere. This front view has the main camera selected (pale pink); the two generators and stony cushion appear black because of the density of their meshes, ie, they've been subdivided many times.

mesh front view


In edit mode you see the pink dots which are used to shape and size the mesh. Each niche for a scape is seen here as a rectangular extrusion out from the original mesh.

mesh top left