In his own words, Prismatica “acts as an extension of the visual and perceptual experimentations” of Webster’s immersive installations:
Prismatica consists of an arrangement of pyramid-shaped crystals affixed to an LCD screen and illuminated with programmed geometric animations. These animated patterns are precisely mapped to the vertices of the crystals, activating them individually and in formation. The animations are further refracted through the geometry of the crystals in accordance with the shifting perspective of the observer, which in turn alters the way the illuminations appear and interact with reflections of surrounding lights within the space.
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In thinking about making something similar, I had an “Aha!” moment in realizing that one could probably use a single extra-large pyramid mold (~$10), and fill it with precise amounts of resin to generate the base-sizes needed to fill up a discarded LCD (ideally 4:3 so the whole thing could be used).