Net Class & Property
ZenitPCB Layout may assign to each net, a design rule that is enclosed in the "Net Class.
Each class can set the width of the trace
( Min - Typical - Max )
Furthermore you can set the clearance between the elements : Pads-Pads \ Pads-Trace \ Trace-Trace
and electrical elements\Copper Pour.
You can set a default via which will be used for the automatic via placement.
After entering the net classes, you can save a setting file .
After creating the net class you can "join" each net with a class ( Net Property ).
e.g. net $GND you can assign the net class "GND".
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