So, pro tip, or armature knife handle maker life hack.... how to make concentric holes without a stepped drill bit. Put a pivot post below the chamfer bit. Set the depth stop and chamfer the hole. Then, slowly pivot the scale around the bushing. It cuts uniformly all around eliminating any eccentricity.
..adds character^^^I know, right!? I did almost throw these away before I figured out a fix. In this pic you can see the line between the laminated pieces. My dad, who taught me everything I know about woodworking, had a saying... "turd in a punch bowl." Maybe that's a bit harsh...
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