Chinese city uses 3D printing to build bridge railings
A well-traveled bridge in Nanjing, China, recently had its unstable railings replaced with 3D-printed bridge railings constructed by Nanjing Jiayi Precision Machinery Manufacturing Co., Ltd., 3D Print.com reports. According to Li Jin, chairman of the company, using traditional methods to replace the railings would have taken at least a month, but 3D printing technology allowed the railings to be completed in just two weeks and was cheaper.
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