I was curious if someone knows how narrow of a trace can I go until it affects board costs? I have been using 8 mil as a rule. Thanks Mark Mainland PCB Designer Cherry Electrical Products 11200 - 88th Ave. PO Box 581913 Pleasant Prairie, WI 53158 Ph. 262.942.6659 Page. 888.819.0198 Fx. 262-942-6334