Cycle Rickshaw
Originally developed in the 1880s in Asia. Soon took over from traditional rickshaw.
Found popularity in the west towards end of 20th century, and then evolved into 21st century pedacab, with development of e-bike technology.
Scale OO (1/76 4mm/ft)
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More information about cycle rickshaws here
https://en.wikipedia.org/wiki/Cycle_rickshaw
more 3d printed models from Recreation21 here
https://www.rue-d-etropal.com/3D-printing/3d_printed_designs.htm