Ameza Atandukanye Igishushanyo cya Patrick Sarran cyerekana formulaire izwi yahimbwe na Louis Sullivan "Ifishi ikurikira imikorere". Muri uyu mwuka, imbonerahamwe ya iLOK yatekerejwe kugirango dushyire imbere urumuri, imbaraga na modularité. Ibi byashobotse bitewe nibikoresho bikozwe mu mbaho hejuru yimeza, geometrie yometse kumaguru hamwe nuduce twubatswe twashyizwe imbere mumutima wubuki. Ukoresheje ihuriro rifatika ryibanze, umwanya wingenzi wunguka hepfo. Hanyuma, uhereye kubiti havamo ubwiza bususurutsa bushimwa nabasangira neza.