
yen-hao, chu designs 'hill' chair with CNC carved suspended backrest for ziihome
The 'Hill' chair, a collaboration between designer Yen-Hao, Chu and furniture company ZiiHome, integrates both aesthetic appeal and ergonomic comfort. The design of the chair is a result of meticulous ergonomic calculations and mechanical equilibrium testing, culminating in a model that features a 'perfect backrest'. This backrest is precisely carved using CNC technology, which allows for a 3D steradian shape that conforms closely to the user's back, providing optimal support. The backrest is designed to be suspended, with a thickness of 20mm and an inner joint of 130mm width, ensuring a secure and firm support structure. This design provides a lateral bearing capacity of up to 200kg, underscoring its robustness and stability.
A central focus of the chair's comfort is its back support, identified by Yen-Hao, Chu as the key factor. The suspended backrest is engineered to provide ample support, contributing to the chair's overall ergonomic success. Complementing the technologically advanced backrest is the seat, which is entirely handwoven using traditional twine-weaving techniques. This method ensures a uniform density and neat texture in the woven paper twine. The double weaving, interlaced at the top and bottom, contributes to the seat's strength, firmness, and flexibility, enhancing its bearing capacity. This traditional craftsmanship, combined with modern manufacturing techniques for the backrest, creates a chair that is both comfortable and relaxing, designed to allow users to sit for extended periods without discomfort.
The 'Hill' chair is available in various finishes, including ash, black walnut, and graphite black, each offering a distinct aesthetic. The graphite black version, for example, is paired with beige paper twine, demonstrating the thoughtful material combinations. These variations allow the chair to fit into diverse interior design schemes while maintaining its core design principles of comfort and style. The project was submitted through designboom's 'DIY submissions' feature, highlighting a platform for designers to showcase their work.
This furniture piece reflects a blend of contemporary design innovation with time-honored craft. The use of CNC carving for precise ergonomic shaping, coupled with the artisanal skill of hand-weaving for the seat, illustrates a comprehensive approach to furniture design. The chair is not merely a functional item but also a statement of design philosophy that prioritizes user well-being through careful consideration of form, material, and construction. The collaboration between Yen-Hao, Chu and ZiiHome positions the 'Hill' chair as an example of modern furniture that meets high standards of both performance and aesthetic appeal.
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