Jul 22, 2013 #1 A asgant Junior Member level 2 Joined Nov 2, 2012 Messages 24 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,283 Activity points 1,430 hii.. can any one tell me how to draw the spiral shown in below figure..in HFSS Thanks in advance Attachments spiral.JPG 19 KB · Views: 54