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Köral™
Structure
Fabrix Tracks, 3D-Printed Joints, Substrate
Material
Polymer, PLA, Earthwool, Fabric
Finishing
Acoustic Fabric
Mounting Mechanism
3D-Printed Joints
Standard Thickness
59mm
Standard Dimension
2600mm x 2600mm x 2600mm
Shapes
Heptagon, Hexagon
Toxicity Emission Test
BS 6853 Annex B = R < 1.0
Fire-Rated Test
EN 13501-1 = Class B
Smoke Density Test
EN 13501-1 = s1 d0
Acoustics Test
ASTM C423-09a NRC = 1.0
Designer
TakahashiLim A+D
The acoustic sculpture is generated using mathematical principles underlying natural forms. Like a wavy coral reef, Köral™ is based on hyperbolic geometry; it grows exponentially outwards, creating excessive folds to increase surface area for sound absorption. An earth-friendly and sustainable acoustic substrate is inserted between the colourful fabric that skins the sculpture. The result is an experimental collaborative art work that marries striking design, acoustic performance, and innovation.
Download Specification Sheet PDF
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TakahashiLim A+D is a design studio based in Singapore. Their work ranges from interior design, furniture design to art installations. Leveraging thier unique and diverse backgrounds, they thrive to innovate, inspire, and spark joy with their designs.
Frequently Asked Questions
AntiCAD™ Köral™ is an architectural acoustic sculpture inspired by organic coral-reef forms and based on hyperbolic geometry. It uses folds and curves to maximize surface area for sound absorption, combining striking design with acoustic performance and innovation.
Köral™ incorporates an earth-friendly acoustic substrate encased in coloured fabric skins. Its geometry and material structure significantly increase the surface area that can absorb sound, helping reduce reverberation and enhance interior acoustic performance. The product has been tested acoustically to yield an NRC (Noise Reduction Coefficient) of 1.0, indicating strong sound absorption.
Köral™ is built with Fabrix™ tracks combined with 3D-printed joints and a substrate made of polymer, PLA, earthwool and acoustic fabric. These materials are arranged into heptagon and hexagon shapes to create the structure.
Yes. Köral™ has been tested for environmental and safety performance. It meets BS 6853 Annex B for toxicity emission, EN 13501-1 Class B for fire resistance and EN 13501-1 s1 d0 for smoke density — making it suitable for architectural and interior applications requiring fire-rated material performance.
Köral™ uses computational design rooted in hyperbolic geometry, a mathematical principle often used in parametric design in architecture. Its form grows outward with folds that increase surface area, blending art, craftsmanship and acoustic science for dynamic interior installations.