[PCB_FORUM] Re: Drill hole offset

> Assuming you're simply trying to prevent routing from getting too close
> to the hole, there's another approach you may want to consider. Define a
> pad on each layer of the padstack for that hole that would prevent
> wiring from getting too close. In the "flash" portion of that padstack
> use some sort of flash name like "blank" or "null" or something really
> tiny like "5_mil_circle" that will replace the defined "pad" when you
> output your gerber files. Then define the flash symbol to be either
> nothing at all or a very small dot that would get drilled away. That way
> Allegro sees the big pad as you design the board, and stays away, but
> your deliverables only see the little dot or nothing at all.
>
Ditto. I'll second that process. That's EXACTLY how I've got my unplated
drill holes defined.

Good job Jean.
Mitch


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