It seems that one of Rodchenko’s (many) gifts was his ability to conceptualize with a sense that his structures could vary greatly in their size. From some of the photographs, it becomes an optical trick to determine how big a structure actually is.
I was reminded especially of artists like Mark di Suvero’s works at the Storm King art center in mountainville, ny. You get a sense of this idea scale in great effect; in an expansive outdoor space you can view structures from so far away that they are almost like toys, but you also can interact with them in their monumental reality.
(images from storm king, august 30 2003//click an image to enlarge)

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