> i think it's impossible > you have to do it in 2 steps > first (auto)route your finest track > then you can modify the thickness of the wanted tracks (click on change,width,choose width) That's not a good idea. You need to do the manual routing first. The autorouter may not leave room to widen a track after the fact. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads