No takers? The only way I know of to create a spiral pattern (not with variable trace widths) is add connect and use arcs. If you do need variable width, creating a shape with arcs should do it. Regards, Gary MacIndoe Senior PCB Layout Designer Contract - Kelly Services Covidien EbD R&D 5920 Longbow Drive Boulder, CO 80301 303.476.7458 www.covidien.com From: icu-pcb-forum-bounce@xxxxxxxxxxxxx [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of O Migs Sent: Friday, July 16, 2010 11:57 AM To: icu-pcb-forum@xxxxxxxxxxxxx Subject: [PCB_FORUM] How to create a spiral pattern? Does anyone have a method to create a spiral cline pattern in Allegro? -oscar