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Communication theory suggests that people tend to interact with interactive artifacts as if these were human. For decades, this understanding has been applied to designing singular, embedded artifacts at a small physical scale. In this paper, we extend the same theory and practice to the dimension of space-to designing interactive, physical environments and their components. A conceptual ground for this is found in a "pattern language" developed by Alexander et al. for designing static physical environments. Upon this ground, we construct a systematic framework for designing "collaborative environments" shaped, as well, by our own concepts, Direct Mapping, Conveyed Mapping, and Space Agency, to strive for more human-human-like interactions between human beings and their physical surroundings. Our lab-based study generates a hypothetical design as qualitative validation of the framework, which has …