Simple model of mankind's first space station - the Soviet/Russian Salyut series. Scaled at 1:80 to match the four-foot ISS (both best printed at four pages per sheet/50% to give a more manageable two-foot/60cm ISS model). Salyut, Skylab, Mir, and the ISS would give you a complete series of operational space habitats - with the Bigelow BA330 commercial...
