found associations reimagines future café as bio laboratory at paris design week

Designers at Paris Design Week 2026 collaborated with Kalve Coffee to transform a café into a circular economy laboratory. The project converts coffee waste, wastewater, and milk by-products into functional materials like biochar and glue for sustainable coffee trays.
Why it matters
This project demonstrates innovative applications of biodesign and circular economy principles in everyday commercial environments.
For Paris Design Week 2026 , four Latvian designers and artists partnered with Kalve Coffee to explore the caf as a small-scale material ecosystem, where by-products generated through everyday consumption become starting points for new forms of production. The project brings together biodesign and circular economy principles through a connected chain of material experiments, turning the caf into both a source of materials and a laboratory for their transformation. Three substances generated through the caf 's daily operation, used coffee grounds, dirty water, and excess foamed milk , move through a series of treatment and production stages. The output of one experiment becomes the input for the next, creating a continuous chain in which materials change their function and form.
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