Current investigations have shifted from the previous technique of simply multiplying strips to accumulate larger deflections to a leverage approach by seeking to understand how a small deflection can produce a much more dramatic transformation. This inquiry has resulted in an intriguing study model initially designed to study the leverage mechanism, but upon thermal testing performed remarkably well.

Nick Bruscia introduced me to an interesting term echoed by the pieces performative mechanism; Auxetic. Auxetics are materials that have a negative poisson ration, meaning that when they are stretched they become thicker perpendicular to the applied force rather than thinner. This is not a result of an increase in surface area, rather it is a result of the constructs ability to “unfold,” for lack of a better word.

 This prototype extracts an occurrence which traditionally happens in a single material, often times on a molecular level, and applies it to the mechanized leverage of the “butterfly” model. The small deflection that occurs throughout the bi-material spine triggers the opening and closing of the “butterfly.” The result is a louvre-wing unit that intelligently and automatically reacts to the sun. When aggregated, it would create an ever changing auxetic façade whose global movement is characterized by local fluctuations in cell size.

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