Multi-LED produces solid/void inversion

Using a 9-bulb LED bicycle light produces interesting effects on a backdrop wall as the distance from the light source to aperture changes.  In this case, what starts as the expected shadow of the chair on the wall (perforated with round holes) inverts the round voids of the chair into shadows as the flashlight is brought closer to the chair.

About Nancy Cheng

Univ. of Oregon Architecture Department head Nancy Yen-wen Cheng, RA, LEED AP researches how design tools and approaches shape outcomes, with a specialization in how craft and computation can stimulate the creative process. She has developed expertise in manipulating sheet materials to create light-modulating structures and has researched how surface relief patterns can increase convective cooling. She has developed fold and slot joints that give structural rigidity to foldable sheet structures and is eager to apply them to rapidly deployable refugee shelters.
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