Haneul Kim fashions plastic stool from 1,500 discarded surgical masks Article from Dezeen: Jennifer Hahn | 6 January 2021 South Korean designer Haneul Kim has collected thousands of used disposable face masks from his university campus and recycled them to create a stackable stool . Called Stack and Stack, the project hopes to set an example for how the 129 billion single-use face-masks that the world goes through every month during the coronavirus pandemic can be diverted from ending up in landfill and in our oceans. "In the beginning, I stockpiled disposable masks used by me and my friends but the quantity that could be collected in this way was limited," said the Kaywon University student. "So I installed mask collection boxes on campus and emptied them periodically." After quarantining them over a period of days, Kim stacked the masks inside of a mould and melted them one by one using a heat gun.