Jig
And here's a photo of the jig itself. The recess is about 0.060" deep, and
the diameter of the circle is 1.4".
The "slot" coming out at an angle was machined at the same time and to the
same depth as the recess. This allows a spot for my feeler gauge when I
want to refernce to the surface.
There's still some more machining to do, so the the 0.060" deep side walls
are deep enough that I can use an indicator to get things lined back up
again when the time comes.
I also machined a 1/16" groove all around the base of the outside wall so
that the part wouldn't get caught in a not quite square corner (between the
flat bottom and side walls).
Bigger...
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