An alternative is to 1) assign your diff pairs to a net class. 2)In the Physical domain of Constraint Manager create a region then assign values for Neck 'Min Width' and 'Neck gap". 3) define a shape of type 'Constraint Region' on the Subclasses you will be using for routing while assigning the newly created Region name to the shape. Your diff pairs will now use these constraints to route between vias.This method however will not follow exactly your original red path planning lines, they will still seek to "gather" before exiting the via array. Bill![]()
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