A chair from waste fibers

A chair headed to Milan this month is being held up by the same logic as a camping tent: pull the right parts into tension, and you need less bulk to stay stable. Veronica Olariu’s Hemp Chair uses that idea to carry a seated body with curved shells and a counterbalanced frame instead of heavy solid mass. (designboom.com) The seat is not made from one conventional board or one molded plastic piece. Olariu says the shells use layered hemp fabric with a core made from pineapple-leaf felt, turning farm-grown fibers and agricultural by-products into a structural composite. (designboom.com) Pineapple leaves usually matter to farmers for the fruit, not the leftover foliage. Materials research on pineapple-leaf fiber has grown because the leaf fiber is rich in cellulose and can reinforce lightweight composites instead of being treated as waste. (sciencedirect.com) Hemp plays a different role in the chair. Hemp fiber has become attractive to designers because it is plant-based, strong for its weight, and workable in textiles and composite layers, which is why it can act more like fabric skin than like carved timber here. (designboom.com) (dezeen.com) The engineering trick is that the chair does not hide how it stands up. Designboom reports that stability comes from counterbalance and tension, so the load path stays visible, like seeing the strings and poles that keep a tent upright. (designboom.com) That is also why this is more than a static sculpture. The chair is designed for two positions, upright and reclined, and Olariu’s own project page describes it as an inhabitable tensile structure shaped through testing, adjustment, and failure rather than a one-off art object. (designboom.com) (thehempchair.com) The manufacturing process matters too. Designboom says the shells are made with resin transfer molding, a closed-mold method that pushes resin through fiber layers so the material wets out evenly and waste is easier to control than in looser hand-layup processes. (designboom.com) Now the prototype is moving out of the workshop and into a public design test. Isola Design Festival’s 2026 edition runs in Milan from April 20 to April 26, and “No Space for Waste” is one of the returning exhibition formats focused on material research and sustainability. (iconeye.com) (fuorisalone.it) That setting is the real point of the story. A chair made from hemp and pineapple-leaf fiber is not being shown as a mood board or a swatch sample, but as full-scale furniture in a festival program that keeps putting waste-based materials in front of manufacturers, curators, and buyers. (isola.design) (fuorisalone.it) Olariu’s own description traces the piece to hemp grown in northern Thailand and to collaboration with local engineers and workshops, which puts it closer to small-batch production than to mass-market furniture. That is usually where new materials get their first real test: not in millions of units, but in a few pieces that have to survive actual bodies, actual rooms, and actual scrutiny. (thehempchair.com)