Taiwanese designers showcasing coffee and tea waste sculptures, highlighting sustainability at the design festival.

“Taiwanese Designers Transform Coffee and Tea Waste into 3D-Printed Sculptures at London Design Festival”

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Written by Flynn Matthews

2026-09-05

Imagine the heaps of coffee grounds and tea leaves discarded in a single city after every sip. This refuse poses a significant environmental challenge. In a bid to tackle this quiet waste, three Taiwanese designers have turned to innovation, crafting furniture, lighting, and sculptures from these everyday remnants. Titled “After the Last Sip,” this initiative transforms tea leaves from London’s bubble tea scene and grounds from local cafés into stunning 3D-printed artworks.

Close-up of a 3D-printed sculpture made from recycled coffee waste material.

The creative minds behind this project, Chao-Chun Kung, Ching-Yu Lin, and Chen-Yang Chang, operate out of Fab.Pub in East London. They dry and grind the waste materials, mix them with PLA—a biodegradable polymer—and then 3D print unique shapes designed through parametric systems. This fascinating process is showcased during the London Design Festival from September 12 to 18.

Designer hands arranging a collection of small sculptures on a white table.

Distinctive Artistic Interpretations Using Organic Waste

Each designer brings a unique perspective to the recycled materials. Kung’s piece, “CHA,” draws inspiration from Taiwan’s tea culture, using a parametric design influenced by the Chinese character for tea. Lin’s “Undetermined Shore” mimics geological layers with coffee-ground composites. Chang’s “Nexus Bloom” showcases tea-waste composites in flowing, organic forms, reflecting both innovation and tradition.

Visitors examining a series of eco-friendly sculptures displayed on pedestals.

The transparency of the materials used in After the Last Sip is striking. Instead of masking their origins, these pieces proudly display their components. The visible layers, particles, and textures highlight the recycled nature of the objects, allowing viewers to see the tea leaves and grounds embedded in the design. The integration of refuse into striking forms challenges traditional aesthetics.

For more on the intersection of art and sustainability, explore how street artist ROA celebrates biodiversity through unique artworks.

Several intricate sculptures crafted from repurposed tea waste seen on display.

This honesty in design prompts reflection on our daily habits. Many of us unconsciously contribute to organic waste generation. By reimagining waste as sculptural objects or light fixtures, the project challenges us to reconsider our consumption patterns.

Exhibit area with people interacting with sustainable art pieces in a bright room.

While not all pieces look polished, the experimental surfaces emphasize the real, exploratory nature of the project. It’s a testament to material research rather than a mere sustainability facade.

Detailed view of trendy 3D-printed geometric shapes made from waste.

Discover another fascinating use of biodegradable materials as Marisa Aragón Ware’s paper art brings biodiversity to life with a focus on environmental themes.

Art students sketching sculptures using eco-friendly recycled materials as inspiration.
Wide shot of the installation space featuring coffee-themed exhibits.

Lasting Impressions

In a sea of design festival offerings, “After the Last Sip” distinguishes itself by encouraging reflection rather than consumerism. This inventive initiative prompts a subtle yet impactful shift in perspective, inviting you to reconsider the journey of your daily coffee cup and the subsequent waste.

Design enthusiast closely observing textured sculptures with intricate patterns.

Source: yankodesign.com

Frequently asked questions

How do Taiwanese designers use coffee and tea waste?

Three Taiwanese designers use coffee and tea waste to craft furniture, lighting, and sculptures. They dry and grind the waste materials, mix them with PLA—a biodegradable polymer—and then 3D print unique shapes.

What is the process showcased at the London Design Festival?

The process involves transforming tea leaves from London’s bubble tea scene and grounds from local cafés into 3D-printed artworks. This is showcased during the London Design Festival from September 12 to 18.

What themes do the designers’ works reflect?

The designers’ works reflect themes of innovation and tradition, with pieces like Kung’s ‘CHA’ influenced by Taiwan’s tea culture and parametric design, and Lin’s ‘Undetermined Shore’ mirroring geological layers with coffee-ground composites.