Now stack 10 of them with 90 degree offsets between adjacent ones. Somewhere along the way the bug will bite. 5am - more on overlap another time. Put it in a mild breeze. REalise why you want balance :-) R --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .