> Sometimes ELECTRA exhibits strange behavior, for example it would put a > via > a few mils from a pad, instead of routing the trace to the pad. Or it > would > go in a U-shaped path instead of a straight line. I haven't played with > the > settings much, nor have I tried to create a DO file, so I don't know if > that > would help. Hi Vitaliy, It probably inherits some of the rules from your original design. You might try setting your grid to a smaller value before running the autorouter. Cheerful regards, Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist