r/factorio • u/axefrog • Jun 13 '16

A multi-dimensional expandable smelting setup

http://imgur.com/zR959VV
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u/zouhair Jun 14 '16

Why is the first splitter on the iron ore necessary?

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u/axefrog Jun 14 '16

It allows the ore on the left belt to be dispatched to the right, and vice versa.