by ranzolger https://factorioprints.com/view/-LWY-DinCSVmp1fy3OVa http://kirkmcdonald.github.io/calc.html#data=1-1-19&rate=s&cp=3&min=3&belt=express-transport-belt&dm=p3&db=s3&dbc=16&items=electronic-circuit:r:45&ignore=copper-plate,iron-plate&modules=copper-cable:;s3:18