While reading up on router jigs I found the center finding jig in Bill Hylton's "Router Magic" book.
I made that but then thought of another application: finding the center to re-size a speaker cutout.
The principle is shown here:
Viewer Jig: Board Center Finder : How-To : DIY Network
and I like the pictures given to show how it works.
For resizing a speaker cutout you would need a sacrificial board to cut through
to the existing opening. The technique looks like a good one.
I'm thinking about pairing this technique with a flush mount non circular pattern for the FE167e. This has been a goal for years.
I made that but then thought of another application: finding the center to re-size a speaker cutout.
The principle is shown here:
Viewer Jig: Board Center Finder : How-To : DIY Network
and I like the pictures given to show how it works.
For resizing a speaker cutout you would need a sacrificial board to cut through
to the existing opening. The technique looks like a good one.
I'm thinking about pairing this technique with a flush mount non circular pattern for the FE167e. This has been a goal for years.
I just cut the correct size hole in an MDF offcut I had lying around, then used a template bit to enlarge the old hole. Line up the template using a small ruler to get the distance equal at three or four points round the circle.
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