Stools made of sand and urine by Peter Trimble

Edinburgh College of Art student Peter Trimble has built a portable machine for manufacturing furniture from sand, urine and bacteria. Edinburgh College of Art student Peter Trimble has built a portable machine for manufacturing furniture from sand, urine and bacteria. As part of his thesis project, Peter Trimble explored how bacteria and the urea found in urine might be used to create a reusable material that requires fewer resources than conventional concrete.