A vehicle of information for sustainable cooling: a hand fan whose six blades each carry one of the research team's strategies for staying cool, from smarter air-conditioner use to cooling the body.
Each blade is a single print in PLA and PVA, with a window that peels open to take its card and snaps back to hold it. The team distributed 200 fans in Singapore's high-density housing. The files are free to download and print: fan-left.stl · fan-right.stl