Gunnar Green and Frederic Eyl

Gunnar Green and Frederic Eyl

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PROJECT

Aperture is a facade installation with interactive and narrative displaying modes. Consisting of an iris diaphragm matrix, the facade’s surface with its apertures’ variable opening diameters is enriched by a dynamic translucency, that creates new imagery as well as a new channel for communication between inside and outside.

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MATERIALS & TECHNOLOGY

An iris diaphragm is an aperture with a variable opening diameter. The majority of instances of irises can be found in aperture settings in camera lenses as a means of regulating depth of field and the amount of light that is exposed by either film or sensor in capturing an image. aperture, being an array of irises, is part of a building’s facade. Composed of single aperture-modules with receptor (LDR—light dependent resistor) and actuator (servo-motor/iris), aperture acts like an autonomous skin, which is also capable of precise external control. Visual information is transmitted from the inside of the building to the outside, the surface permeability is regulated when the aperture’s opening diameters are changed. Each of the apertures in the array can be used to represent a pixel of an image.

EFFECT

Analogously to the process of taking a photograph, people standing in front of the wall are exposed to the aperture grid, just like to photographic film. The duration of the image fading out, as the apertures close, is itself a reflection of how long a person has been standing in front of aperture.

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