Barcelona Rugs is a leading carpet and rug company with years of experience and a broad client base, both nationally and internationally. One of their business lines focuses on carpet supply and installation, which inevitably generates high-quality material scraps. Due to their reduced size, these leftover pieces have limited commercial use and are difficult to reintroduce into the market. To prevent this valuable material from ending up in landfills or being incinerated, we collaborated with Barcelona Rugs to develop a new product that transforms these remnants into elegant, sustainable pieces suitable for a wide range of spaces. Trencadís is a modular rug collection made from pre-consumer waste. The collection consists of two geometric modules —large and small— that can be freely combined to create custom configurations. By repurposing offcuts of high-quality carpet, the Trencadís line gives new life to materials that would otherwise go to waste. To support designers, architects, and end users, we developed an online configurator that allows users to design their own Trencadís rug based on the available stock of leftover materials. The configurator enables experimentation with endless combinations and ensures optimal use of all remnants.