Co-Evolution of Problem and Solution Spaces in Creative Design An Essay by Nigel Cross & Kees Dorst www.researchgate.net Between the two spaces What the prototype tells youSolution to evaluation and back againIn terms which must be alteredPrimitive design
21. Four-Story Limit Problem There is abundant evidence to show that high buildings make people crazy. Solution In any urban area, no matter how dense, keep the majority of buildings four stories high or less. It is possible that certain buildings should exceed this limit, but they should never be buildings for human habitation. Christopher Alexander, Murray Silverstein & Sara Ishikawa, A Pattern Language In every skyscraperIt begins with a trip down the stairsLow wooden silhouettesSkyscrapers are frowned upon citiesurbanismhome