The customer's wish was to retain a clear, rectangular floor plan inside with as generous and flexible a useable area as possible. To meet this wish, the building infrastructure - such as elevators and technical equipment - was docked on the outside.

This so-called "bowellism" goes back to the English architect Michael Webb and describes a building in which the entire infrastructure is relocated to the outside. Its called "Bowellism" (bowel = German bowel) because it reminded him of how the human body functions. The most important representative of this style is the English architect Richard Rogers.

In 2002, the 177-metre high Breezé Tower in Osaka, Japan, was the first successful international competition of ingenhoven architects under the direction of Ben Dieckmann, who was responsible for the internationalisation of ingenhoven architects until 2015.