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HEXASTONE

Design for disassembly

The Hexastone Pavilion, a collaboration between Technische Hochschule Lübeck, Vertico, and Sika, is a 4.5-meter-diameter dome composed of 102 unique interlocking stones. Each stone was 3D-printed over two days, using a fully digitized process that enables a wide range of geometries. The pavilion’s design uses a computational form-finding process to create a compression-only shell structure. Designed with sustainability in mind, the pavilion adopts a “Design for Disassembly” approach. The shell is tessellated into planar hexagonal tiles, enabling efficient printing on a flat bed and simplifying the connections between individual stones. Unlike traditional brickwork, which uses tapered mortar joints to achieve curvature, Hexastone creates curvature through the individually inclined perimeters of each hexagonal stone, resulting in parallel crevices between them. Contact surfaces are coated with a non-adhesive agent to prevent tensile force transfer and enable easier disassembly, supporting a sustainable construction methodology.

IMAGE COURTESY OF TECHNISCHE HOCHSCHULE LÜBECK

HEXASTONE

Design for disassembly

The Hexastone Pavilion, a collaboration between Technische Hochschule Lübeck, Vertico, and Sika, is a 4.5-meter-diameter dome composed of 102 unique interlocking stones. Each stone was 3D-printed over two days, using a fully digitized process that enables a wide range of geometries. The pavilion’s design uses a computational form-finding process to create a compression-only shell structure. Designed with sustainability in mind, the pavilion adopts a “Design for Disassembly” approach. The shell is tessellated into planar hexagonal tiles, enabling efficient printing on a flat bed and simplifying the connections between individual stones. Unlike traditional brickwork, which uses tapered mortar joints to achieve curvature, Hexastone creates curvature through the individually inclined perimeters of each hexagonal stone, resulting in parallel crevices between them. Contact surfaces are coated with a non-adhesive agent to prevent tensile force transfer and enable easier disassembly, supporting a sustainable construction methodology.

IMAGE COURTESY OF TECHNISCHE HOCHSCHULE LÜBECK

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