But the whole building doesn’t have to be gourmet-cooked; some parts should be left raw. Chris Alexander routinely cites the authority of the Japanese artistic virtue of wabi sabi—“the recognition that in a beautiful thing there is always some part which is lovingly and carefully done, and some parts which are very roughly done, because the compensation between the two is necessary in a real thing.” Undifferentiated, unpartitioned, unspecialized loft, attic, basement, garage, or storage spaces are essential.

