Beginning with a square floor plan, Interplan rotated the central core functions 15 degrees to provide a juxtaposition between the rhythm of the columns and walls enclosing the core. Inexpensive materials were employed to provide cost-effective open workstations in a dramatic departure from EPB's previous corporate culture of a closed-office environment. Bold colors differentiate between structural, enclosure, and circulation functions, giving clarity and definition to the use of the space.