https://www.syu.ac.kr/makerspace/2021/07/14/%ec%a0%9c1%ed%9a%8c-%eb%b6%80%eb%aa%a8%ec%99%80-%ec%95%84%ec%9d%b4%ea%b0%80-%ed%95%a8%ea%bb%98%ed%95%98%eb%8a%94-%ec%8b%9d%eb%ac%bc-%eb%a9%94%ec%9d%b4%ec%bb%a4-%ed%94%84%eb%a1%9c%ea%b7%b8%eb%9e%a8/