Speculative proposal for plug-in office towers as part of Plug-In City.

We then turned towards a specific application of 'Plug-in' thinking: the rentable office floor. The axonometric shows a pylon that contains lifts and services with a 'tray' hanging off each side. One tray is the 'front' office, the other the 'backroom' office. Each part would be exchangeable. Various ideas about automated shopping and diagonalized movement combine with the Plug-in Office tower in [Europa] - a hypothetical 'business town' along an international route.

Archigram, Edited by Peter Cook, Warren Chalk,
Dennis Crompton, David Greene, Ron Herron 
& Mike Webb, 1972
[reprinted New York: Princeton Architectural Press, 1999]