Materials don't exist in isolation. Every specification decision is a relationship — between surfaces, textures, weights, and finishes. This tool pairs two materials at random and invites you to explore those relationships. Swap either panel to cycle through the library, or let the combinations surprise you. Use it as a reference, a starting point, or just a way to think.

The library spans stone, timber, metal, surface finishes, and a few unexpected entries — each with properties, typical uses, origin, colour notes, care requirements, and pairing suggestions drawn from real specification experience. Incompatible combinations — galvanic corrosion risks, acid-sensitive stone next to weathering steel — are filtered out automatically.

A material reference tool for architects and designers. Two surfaces, randomly paired. Swap either side to explore combinations, discover relationships, and think about how materials work together — or don't.