Diiryah, in Saudi Arabia, is paving the way for eco-friendly street furniture with a set of lattice-patterned seating 3D printed using sand.

The benches comprise 58 3D-printed parts, linked together to form a continuous seat that snakes around the palm trees of Diriyah’s Al-Turaif District. Its designers, Precht and Mamou-Mani Architects set themselves the task of using local materials to create the furniture – which they’ve named Sandwaves.

Resin made from natural materials was mixed into the sand to hold it together, with the entire thing weighing in at 160 kilograms. Its creators claim it’s the biggest sand-printed installation made so far.

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