The Berryessa staircase is an extreme example of roughness at work.

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• The Berryessa house has many stairs making it hard for old people, and a separate bedroom means going through rain, which might be considered a functional problem.claim0.777
• A floor designed in an office and executed by worker-ants according to blueprint is a disaster; it cannot create life or harmony.claim0.744
  Critique of top-down mass-production design that lacks on-site adaptation.
• We hypothesize that a similar 'brutal' and purely geometric process always occurs somewhere in other kinds of unfolding that generate living order — in poetry, dance, social structure, planning, and family relationships.hypothesis0.733
  Extends the brutal geometry thesis beyond architecture into all creative and social domains; acknowledged as not yet confirmed with certainty
• Roughness arises inevitably when a regular order is forced into three-dimensional constraints, producing adaptive irregularities like those in corn cobs, crystal dislocations, and radiolarian shells.claim0.731
• Roughness is an essential structural feature without which a thing cannot be whole; it is not a residue of technically inferior culture or hand-craft inaccuracyclaim0.731
  Claim that morphological roughness arises from paying attention to what matters most and letting go of what matters less, making it more precise than rigid regularity
• The gist of the process, what I call the formal or brutal process, lies in the use of very simple geometry, first introduced with force, after one makes sure that the inspiration has arisen from the place, and from the introduction, then, of just enough syncopation into the order, so that it truly fits the necessities of site and place and time, without doing violence to them.claim0.725
  Summarizes the brutal process as force-first geometry, then syncopated adaptation to fit context without violence
• Each of the four examples (doll, Julian Street Inn, West Dean bench, Linz alcoves) has the minimal structure for its situation that carries weight of feeling.claim0.718
• Carpenters at Eishin refused to use styrofoam formwork for giant capitals, objecting to surface roughnessfinding0.716
  Documents a practical obstacle to adoption of adaptive construction methods due to aesthetic norms of machine-perfect finish.