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How to plow arc snake traces in Expeditionpcb?

Question asked by yu.yanfeng on Feb 16, 2011
Latest reply on Nov 12, 2015 by bbpcbdesign

It is tough to plow traces for Intel chips (SANDYBRIDGE) , it need layout tool to support arc snake plow. How to do arc snake in Expeditionpcb?. Currently, Cadence Allegro have a special command(16.3 from 2010.8) to support this type of plow, it seems that Cadence have a hard-code special plow to this type of plow. the arc snake plow see the attached picture