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Transforming Waste: Designers Turn Coffee Grounds and Tea Leaves into Art

By Editor • September 4, 2026 • 2 min read

A unique initiative from three Taiwanese designers is turning the mundane waste of coffee grounds and tea leaves into innovative art pieces, challenging our perceptions of sustainability. The project, titled After the Last Sip, showcases furniture, lighting, and sculpture crafted from materials most people typically toss into the trash.

Operating from Fab.Pub in East London, designers Chao-Chun Kung, Ching-Yu Lin, and Chen-Yang Chang collected spent tea leaves from bubble tea shops and used coffee grounds from local cafés. They dried and ground these residues, combining them with PLA, a biodegradable polymer, to create a composite suitable for 3D printing. The resulting pieces are on display at the London Design Festival, running from September 12 to 18.

Distinct Artistic Approaches

Each designer approached the same waste material with a unique vision. Kung’s piece, CHA, draws inspiration from Taiwan’s tea culture, incorporating a parametric design based on the Chinese character for tea. Lin’s Undetermined Shore utilizes coffee-ground composites to evoke Taiwan's coastline, creating layered surfaces reminiscent of geological formations. Meanwhile, Chang’s Nexus Bloom features flowing, organic shapes that highlight the natural qualities of the tea-based composite.

Honesty in Design

What sets this project apart is its transparency. Unlike many sustainable designs that obscure their origins, After the Last Sip celebrates its materials. The visible layers and textures reveal the coffee grounds and tea leaves within, creating a tactile experience that prompts reflection on our daily waste. This honesty encourages a shift in perspective, inviting viewers to reconsider their consumption habits and the waste they generate.

While the designs may not be perfect, the experimental nature of the surfaces adds authenticity to the project, showcasing genuine material research rather than mere marketing. The initiative stands out in the crowded landscape of design festivals, not by demanding immediate changes in consumer behavior but by encouraging a moment of contemplation about the life cycle of our everyday waste.

Source: www.yankodesign.com

#3D printing #art #design #London Design Festival #sustainability

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