Kammala jumla mai zuwa: Reima Pietilä ya kuma kasance mai aiki a cikin ayyukan Gidan Tarihi na Gidan Gida na Finnish da kuma wallafa wallafe-wallafen ka'idoji a cikin "Le Carré Bleu" da "Arkkitehti". Pietilä har ma ya halarci taron ƙungiyar ƙungiyar gine-ginen Team X, wanda aka gudanar a 1972 a Jami'ar Cornell a Amurka, waɗanda ke da matukar damuwa game da tambayoyin tsarin gine-gine a cikin gine-gine, wanda ke jaddada abubuwan al'adu, wani abu a cikin martani ga halayen duniya na zamani, musamman kamar yadda masu gabatar da Team X suka fara, tsohuwar ƙarni na CIAM. Pietilä ya ɗauki ra'ayi mai zurfi ga na makarantar rationalist, kuma kodayake ayyukan (wanda aka tsara tare da haɗin gwiwar matarsa Raili Pietilä) suna da yawancin abubuwan da ke tattare da Aalto, sun kasance mafi banƙyama da m. A cikin jayayya cewa yanayi shine apotheosis na filastik, ya buƙaci nazarin ilimin halittu na kayayyakin gine-gine, yana la'akari da lissafin Euclidean a matsayin kayan aiki mara kyau na bincike. Babban aikinsa na farko, Gidan Finnish a 1958
Brussels Expo a zahiri ya ɗauki tsarin tsari mai kama da ka'idodin Blomstedt; duk da haka, rukunin akwatunan katako na katako a matsayin cikakke sun ba da ɗanɗano na Pietilä na baya-bayan nan wanda ya dogara gaba ɗaya akan nau'in kyauta; mafi mahimmanci daga cikin waɗannan ayyukan na yau da kullun shine Ikilisiyar Kaleva, Tampere (1959<unk>1966), ginin taron ɗaliban Dipoli, Espoo (1961<unk>66), Metso Library, Tampere (1978<unk>1986) kuma ya ƙare a aikinsa na ƙarshe, Gidan Ma'aikatar Shugaban Finland, Mäntyniemi, Helsinki (1983<unk>1993). Duk waɗannan gine-ginen sun kasance sakamakon sakamakon gasar gine-gine.