On Wed, Feb 27, 2013 at 11:25 AM, joem <joem at martindale-electric.co.uk> wrote: > Narrow girth around drill hole has its risks - drills can slip and the > hole get slightly out of alignment with the pad, and it cuts up the pad > into a crescent shape. mmfh. i'll see if i can increase it slightly and still fit within the design rules. l.