The Mark & Juanita entity posted thusly:

On Thu, 12 Jan 2006 16:51:01 +0100, "andypack"
wrote:

Hi Larry.
... snip
Hope this help!

Another approach would be to make a transparent template using the router
base itself, then attach the transparent template to the base you want to
drill. This was detailed in ShopNotes #85, Jan/Feb 2006 pp 5

How would the transparent base be any better for the purpose than the
router base itself?