Sentence:  Even those who would practise a form of modern architecture (such as Le Corbusier. who is basically a cubist painter and <WSD>plastician</WSD>) conceive of architecture as painting, or as abstract composition in three dimensions, around which, but not in which, man walks in admiration. 
Meaning of the word marked with <WSD> tags:  An artist whose work is part of the plasticism movement.