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The card structures on this page are an exploration of the architectural possibilities of exponentially growing shell structures, following a logical progression of development in the forms.
In considering the growth and form of seashells, it is remarkable that the same set of instructions for growth can produce an almost infinite variety of structures, depending on the angle and rate of growth.
D'Arcy Thompson ("On Growth and Form" by D'Arcy Thompson, Cambridge University Press, 1942 reprint, Chapter XI "The Equilangular Spiral") also points out the element of time which is locked into these structures:
"... each successive stage of growth,
starting from the origin, remains an integral and unchanging portion of the still growing structure, and so continues to represent what at some earlier epoch constituted for the time being the structure of its entirety..."
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